No. 1 prospect Jackson Holliday being promoted to Double-A (Mayo & McDermott to AAA)

MINNEAPOLIS – He is less than a year removed from being selected as the No. 1 overall pick by the Orioles in the 2022 Major League Draft. And today, as a new draft arrives tonight, shortstop Jackson Holliday is headed to Double-A. has learned via a team source that Holliday, who played in the All-Star Futures Game Saturday, going 0-for-1, will play his next game for the Double-A Bowie Baysox moving up from High-A Aberdeen.

Holliday, 19, is ranked as the No. 1 prospect in the sport by and No. 2 via Baseball America. He had set a goal to get to Bowie this season and now he has achieved that. 

This move comes with other promotion news as infielder Coby Mayo will move up from Double-A to Triple-A Norfolk and right-hander pitcher Chayce McDermott is also moving from Bowie to Norfolk.

Holliday began this year with Low Single-A Delmarva, but after 14 games there moved to High-A Aberdeen. In 71 games between those clubs, he batted .331/.466/.523/.989 with 17 doubles, six triples, seven homers and 51 RBIs. He controlled the strike zone very well with 64 walks to 67 strikeouts and scored 67 runs with 20 stolen bases.

Mayo, 21, the O’s fourth-round pick in the 2020 draft, leads all of minor league baseball in extra-base hits with 49 and leads all of Double-A in doubles, slugging and OPS. In 77 games this year for Bowie he has hit .310/.427/.609/1.036 with 30 doubles, two triples, 17 homers, 48 runs and 44 RBIs. He is the O’s No. 8 prospect via and No. 78 in their top 100.

McDermott, 24, has gone 5-6 with an ERA of 3.56 in 16 games for Bowie. Over 68 1/3 innings he has allowed 42 hits with 44 walks, 88 strikeouts, a .175 batting average against and 1.26 WHIP. He is the O’s No. 17 prospect via




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