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Coby Mayo stays at first base tonight and Ryan Mountcastle remains the designated hitter, as the Orioles try for their third win in a row.

Mayo has a .460 slugging percentage at home this season.

Jeremiah Jackson is in right field, Dylan Carlson is in left and Greg Allen is in center.

Brandon Young is making his 10th major league start after registering a 5.88 ERA and 1.669 WHIP in 41 1/3 innings. He’s allowed two earned runs and four total in 10 2/3 innings in his last two starts.

Athletics right-hander Jack Perkins is making his second start among 10 appearances in his rookie season. He’s recorded three saves.

Perkins has surrendered only two home runs in 22 2/3 innings and posted a 3.97 ERA and 1.147 WHIP. He entered the rotation Sunday against the Diamondbacks and allowed four runs and five hits in three innings.

Right-handers are batting .194 with a .587 OPS against Perkins, a fifth-round draft pick in 2022 out of Indiana University. Left-handers are hitting .196 with a .617 OPS.

Getting out of Sacramento is beneficial to Perkins, who has a 7.15 ERA in five home games and a 0.79 ERA in four road games.

For the Orioles

Jackson Holliday 2B
Jordan Westburg 3B
Gunnar Henderson SS
Adley Rutschman C
Ryan Mountcastle DH
Coby Mayo 1B
Jeremiah Jackson RF
Dylan Carlson LF
Greg Allen CF

Brandon Young RHP