DUNEDIN, Fla. – Bruce Zimmermann will head to minor league spring training and jump into Triple-A Norfolk’s rotation.

The Orioles optioned Zimmermann this morning after he allowed three earned runs and 12 hits in 7 2/3 innings. His 3.52 ERA was paired with a 1.957 WHIP.

“We need rotation depth and so he’s going to be in the Norfolk rotation to start the year,” said manager Brandon Hyde. “It’s going to take more than five guys. He threw the ball well this spring, but we’re going to start the year with him in Triple-A and continue to build him up as a starter.”

Prospects Cade Povich, Chayce McDermott and Justin Armbruester are expected to join Zimmermann. Albert Suárez could occupy another spot if he doesn’t break camp with the Orioles.

Seth Johnson probably will be assigned to Double-A Bowie. He’s made only one career appearance above High-A.

DUNEDIN, Fla. – The Orioles optioned left-hander Bruce Zimmermann to minor league camp this morning, reducing their major league camp roster to 46 players.

The Baltimore native was competing for a spot in the rotation or the bullpen in long relief.

Zimmermann appeared in three games and allowed three earned runs (five total) and 12 hits in 7 2/3 innings. He walked three batters and struck out seven.

Ryan Mountcastle remains out of the lineup this afternoon against the Blue Jays. He hasn’t played since March 12 due to neck stiffness but said this morning that he’s taking live batting practice in Sarasota and will play Wednesday night against the Phillies in Sarasota.

Austin Hays has been ill but said this morning that he’s feeling better. He also could be in Wednesday’s lineup.

SARASOTA, Fla. – A second off-day of the spring provided rest and recreation to a group of players who would rather hit a golf ball than the wall.

What it couldn’t accomplish is the task of figuring out how to pare the camp roster to 26 players. That’s a higher pay grade.

Competition is great. It’s also a pain in the rear because players who should be introduced to a packed house on March 28 will be working out in Sarasota and waiting for the minor league season to begin. Seems unfair but that’s business, the kind from an organization that’s operating at a much higher talent level than in the past.

The rotation is at least close to set with Corbin Burnes, Grayson Rodriguez, Dean Kremer, Tyler Wells and Cole Irvin, whatever order beyond the ace. Let’s assume that Rodriguez and Kremer are two and three.

But what the heck is going on with the position players?

SARASOTA, Fla. – Two off-days in one spring training? This must be how the other half lives.

I’d ask why the Orioles usually don’t get multiple breaks in their schedule, but I’m here to supply answers. That’s supposed to be my contribution to the mailbag.

You remember the mailbag, of course. Sequel after sequel to the beloved 2008 original. Informative, mildly entertaining, never edited except for your crude profanities.

I’m not worried about length. It’s the freakin’ internet.

Your style is fine with me, though I’d lengthen those shorts.

SARASOTA, Fla. – Jorge Mateo has made 10 career appearances and three starts in right field, including one with the Orioles in August 2021 against the Braves, when Max Fried pitched a complete-game shutout at Camden Yards.

Mateo was in right field this afternoon against Atlanta, making his first spring appearance at an outfield corner after seven starts at shortstop, three at second base and two in center.

“Just preparing for if it does happen in the season,” said manger Brandon Hyde. “Just want to move guys around a little bit in camp.”

The ball found Mateo with two outs in the first inning, and he made a sliding catch of Marcell Ozuna’s line drive. Starter Tyler Wells applauded by slapping his hand into his glove.

Mateo ran down Austin Riley’s fly ball in shallow right field, calling off second baseman Kolten Wong, to end the third. He moved to left field in the top of the fourth, with Ryan O’Hearn switching to right.

SARASOTA, Fla. – Ryan Mountcastle is out of the lineup again today as the Orioles play split-squad games against the Braves in Sarasota and Tigers in Lakeland. However, Mountcastle said this morning that his neck feels much better and he should be ready after Monday’s off-day.

Mountcastle is missing his fifth game in a row.

“I just took a swing and it locked up,” he said, “but we’re just getting it worked out and feel pretty good, and should be back, probably, the next game.”

Mountcastle has appeared in nine games and is 7-for-27 with two doubles, seven RBIs and three runs scored.

“Pretty good,” he said. “Getting a bunch of ABs and stuff. Feel pretty solid. Feel good defensively, feel good offensively, and hopefully just get this neck thing figured out the next day or two and be back to normal.

SARASOTA, Fla. – The at-bats and innings are going away. Boxes will arrive in front of lockers to ship belongings to Baltimore or other destinations. Meetings that shape the Opening Day roster will continue.

The days are dwindling but the work that remains is stacked high.

As the team prepares today for split-squad games against the Braves in Sarasota and Tigers in Lakeland, the latter being one of the worst trips of the spring that’s avoidable because of the home action, here are some more thoughts, questions and curiosities:

* Will Ryan Mountcastle return to the lineup?

Mountcastle went 2-for-4 with an RBI double and run-scoring grounder Tuesday against the Rays in Sarasota, but he hasn’t played in the last four games.

SARASOTA, Fla. – Corbin Burnes coasted through the first inning today, retiring the Red Sox in order on nine pitches and throwing seven for strikes. Cedric Mullins made a nice running catch in left-center to deny Pablo Reyes.

The second inning couldn’t have gone much worse. Couldn’t have been more dramatically different than the rest of Burnes’ outing.

A crazy day for the veteran right-hander, who was outstanding in four of his five frames. But also important in being able to solve the issue and do good work with the new people in his baseball life.

Bobby Dalbec and Wilyer Abreu hit back-to- back home runs, the former on a two-strike fastball. Burnes committed throwing errors while attempting pickoffs at first and second base, and the Red Sox took advantage with an RBI single by Tyler Heineman and sacrifice fly by Dalton Guthrie to deep center field.

A 2-0 lead for the Orioles became a 4-2 deficit, and Burnes threw 20 pitches in the inning. On the plus side, 17 were strikes.

SARASOTA, Fla. – Ryan Mountcastle is out of the lineup for a fourth consecutive game. Manager Brandon Hyde said Mountcastle has some neck stiffness.

“Just giving him a little bit of rest,” Hyde said.

Austin Hays also is out of the lineup, missing back-to-back games because he’s under the weather.

John Means threw his second live batting practice session yesterday, again working one inning. The next step is a two-inning session.

Means wants to get into a game before the Orioles break camp but probably will run out of time. Hyde said earlier in camp that Means wouldn’t pitch this spring.

SARASOTA, Fla. – The reunion between Orioles reliever Cionel Pérez and pitching coach Drew French was much easier to arrange than their first meeting.

The Astros signed Pérez, a native of Matanzas, Cuba, to a $5.15 million bonus in 2016 as an international free agent, but they voided the deal a month later due to an issue with his physical that led to concerns from the medical staff that he’d eventually need elbow surgery. The agreement was restructured in December at $2 million.

Perez made his professional debut in 2017 with the Class A Quad Cities River Bandits, the eventual Midwest League champions. His pitching coach was French, who saw potential inside a raw prospect.

French, hired by the Orioles in November to serve in the same role, introduced Pérez to the organization’s standards and methods, while also trying to ease his transition to life in a new country.

“I remember the onboarding process of, this is kind of our North Star, this is how we grade you, this is how we look at your delivery and your arsenal, and this is how we expect things to go, and throwing the ball in certain places,” French said earlier this week.

PORT CHARLOTTE, Fla. – Dean Kremer jogged from the dugout to the mound today for the bottom of the fifth inning. He got another up. And he got the chance because he was cruising.

Kremer retired nine batters in a row and he wasn’t done. With Albert Suárez ready in the bullpen, Kremer threw all three of his pitches for strikes and Francisco Mejía flied to center field.

Now, he could sit down after registering his longest outing of the spring.

Ten in a row were retired since Kremer hit his second batter of the day. He allowed one run and two hits in 4 1/3 innings, with one walk and three strikeouts.

In four exhibition starts, Kremer has surrendered six runs and 12 hits and struck out 11 in 12 1/3 innings.

PORT CHARLOTTE, Fla. – Nick Vespi will get a few days off following his two-inning stint yesterday in Bradenton, where he struck out five batters and received some playful compliments from a teammate this morning for being in beast mode.

Vespi has allowed two runs and four hits in seven innings over his six spring appearances, and he’s struck out nine batters. He hasn’t issued a walk. Opponents are batting .160.

“I know that he’s been working on his two-seamer that goes the other way,” said manager Brandon Hyde. “His four-seamer, cutter, slider kind of go one direction and he’s working on a fastball that goes the other way to keep lefties honest. And that’s been much improved. But his strike-throwing ability, the way he can go multiple innings, able to get both sides out … really loved how he threw the ball yesterday and we’re going to keep giving him a look.”

The Pirates’ Matt Fraizer singled with one out in the eighth yesterday and Vespi got a called third strike on the next two hitters. The inning began with a swinging strikeout against Grant Koch, who was fed fastballs, sinkers, a curveball and a slider.

Sergio Alcántara grounded out to end the game and give Vespi the save after the left-hander struck out Jake Lamb looking and Dustin Peterson swinging.

PORT CHARLOTTE, Fla. – Colton Cowser is playing left field and leading off this afternoon against Rays right-hander Naoyuki Uwasawa.

Jordan Westburg is playing third base. Heston Kjerstad is in right.

Jackson Holliday is starting at shortstop after playing in last night’s “Spring Breakout” game in Bradenton. Connor Norby, who also played last night, is the designated hitter today.

Dean Kremer is making is fourth start, with Albert Suárez on the trip to pitch in relief. Kremer has allowed five runs and 10 hits in eight innings, with three walks and eight strikeouts.

Coby Mayo is listed among the reserves. Among players coming over from the minor league side are outfielder Dontá Williams and infielders Anthony Servideo and TT Bowens.

SARASOTA, Fla. – The Orioles aren’t close to deciding the 26 players who fit on their Opening Day roster. The majority, perhaps. But too many battles are short of completion.

In an eight-man bullpen, Mike Baumann seems to have gone from candidate to solid lock with 4 2/3 scoreless and hitless innings. The only baserunner reached on a walk, and he’s struck out five batters.

The velocity is up. The rhythm in his delivery is better. He’s out of minor league options.

He’s on the roster.

If we’re compiling a list of Orioles who enhanced their break-camp chances, I could go with Baumann first unless I flip-flop him with outfielder Colton Cowser or left-hander Keegan Akin.

BRADENTON, Fla. – The much-anticipated and aggressively hyped rematch between Orioles shortstop Jackson Holliday and Pirates ace-to-be Paul Skenes lasted six pitches tonight. Holiday struck out with the count full and Skenes didn’t return for the second inning.

He’ll never be accused of wearing out his welcome. Just the batters who have to face him. And maybe a few catcher’s mitts.

Skenes’ fastball in the Orioles' 3-1 loss was clocked at 100.6, 101.7 and 101.1 mph during the at-bat. He began the game by striking out Enrique Bradfield Jr. on three pitches – at 100.6, 101.1 and 101.7 mph.

Last year’s first-overall draft pick out of LSU put his stamp on the inaugural “Spring Breakout,” retiring the side in order by breaking Connor Norby’s bat – it sure sounded like it, anyway - with a 96.6 mph sinker that produced a ground ball to third baseman Jack Brannigan.

Statcast identified the pitch that fanned Holliday as a 91.6 mph four-seam fastball. That’s wrong. Skenes hasn’t thrown a four-seamer in the low-90s since he was in preschool.

BRADENTON, Fla. – The third inning today began to bring out the better spring side of Grayson Rodriguez.

Rodriguez retired the Pirates in order, getting the first two outs on four pitches. Jack Suwinski battled through 11 before flying out. Thirteen of those 15 pitches were strikes.

Making his fourth exhibition start, Rodriguez ventured into the fifth inning in his longest outing. He was removed after a one-out double by Alika Williams.

The Orioles stretched Rodriguez to 76 pitches (51 strikes), 14 more than his previous start against the Tigers. He was charged with two runs and four hits with two walks and a pair of strikeouts.

Before today, Rodriguez had totaled 7 1/3 innings and allowed three runs and 10 hits with five walks and five strikeouts.

BRADENTON, Fla. – The Orioles announced their lineup for tonight’s “Spring Breakout” game against the Pirates in Bradenton, the second half of a unique doubleheader.

The top two spots are occupied by the last two first-round draft picks – center fielder Enrique Bradfield Jr. and shortstop Jackson Holliday.

Samuel Basallo, who collected his first hit yesterday with a ninth inning single, is batting fifth as the designated hitter. He probably won’t be cleared to catch until late April due to a stress fracture in his right elbow.

Silas Ardoin is catching left-hander Cade Povich.

The first seven spots in the order are occupied by Top 30 prospects. Povich also counts at No. 10 per MLB Pipeline.

BRADENTON, Fla. – Cedric Mullins is in the lineup today for the first time since March 4, when he exited in the first inning with right hamstring discomfort.

Mullins is leading off. Gunnar Henderson is starting at shortstop and batting third.

Jorge Mateo is the second baseman. Kyle Stowers is in right field.

Tyler Nevin gets the start at first base.

Grayson Rodriguez is making his fourth start after allowing three runs and 10 hits in 7 1/3 innings. He’s walked five batters and struck out five.

SARASOTA, Fla. – The Orioles are venturing into a unique part of the exhibition schedule today. Not a split-squad, which has been done twice already and is happening again Sunday and March 23. The first Spring Breakout game will be played tonight in Bradenton as the back end of a doubleheader against the Pirates.

Is it over-hyped. Oh God, yes. And the matchup between Jackson Holliday and Paul Skenes, the last two first-overall draft picks, already played out in Sarasota. We’ve seen it, much to the chagrin, I’m sure, of Major League Baseball.

Holliday grounded out on the second pitch thrown by Skenes, and the right-hander was done after the first inning. You blinked at your own risk.

Skenes is starting again tonight in this battle of top prospects, and Holliday probably is leading off again and expecting to play five innings. They probably will square off at least twice.

“I think any time you get to face somebody, it gives you a better idea of the second time you get to face them. So I’m excited about that,” Holliday said this week on a conference call. “It was awesome. It was a really cool experience to have so many No. 1 picks on the field. I don’t think that happens too often. It’s a really talented group down here in the Sarasota and Bradenton area, and it was a lot of fun.”

SARASOTA, Fla. – Cole Irvin didn’t bother to track the entire flight of the ball that Atlanta’s Orlando Arcia hit over the left field wall with a runner on base in the second inning. He turned to catcher James McCann and held out his glove. Bring on the next batter.

Irvin was a more engaged spectator on Jordan Luplow’s ball later in the inning that landed pretty much in the same spot. He thought that one had a chance to stay in play, and he showed just a smidge of frustration as he again spun toward the plate.

This wasn’t Irvin’s night.

The left-hander allowed six runs and seven hits in his first three innings, with three walks and three strikeouts. He threw 63 pitches, only 37 for strikes.

Brought back for the fourth, Irvin walked a batter in between a fly ball and popup and exited at 73 pitches, 41 for strikes.