Machado hasn't run in five days because of scar tissue breaking up in the knee. It's nothing serious, but Machado can't undergo an exam by Dr. Neal ElAttrache until he's able to run.
Manager Buck Showalter wouldn't rule out Machado for opening day, citing how Nolan Reimold is getting plenty of at-bats at minor league camp. Reimold is back at Twin Lakes Park today.
David Lough saw a neurologist yesterday and checked out fine, but he will undergo more tests after being scratched from yesterday's lineup with neck stiffness. Showalter hopes to have him back in a few days.
Nick Markakis, serving as the designated hitter today, will make the trip to Clearwater on Monday to play the Phillies.
Matt Wieters participated in a catching drill this morning and is expected to be in Monday night's lineup against the Twins at Ed Smith Stadium.
Suk-min Yoon is scheduled to throw on inning today.
Showalter confirmed that Adam Jones will return to Sarasota later today.
The Orioles have summoned pitchers Brock Huntzinger and Chris Jones and infielder Buck Britton from minor league camp for today's game.