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Austin Hays is out of today’s lineup, as the Orioles try to win their sixth series of the year.

Hays left last night’s game with a bruised right hand and is day-to-day.

Terrin Vavra is in left field again after replacing Hays last night and collecting two singles. Ryan Mountcastle is the designated hitter, with Ryan O’Hearn at first base.

Gunnar Henderson is the shortstop. Jorge Mateo goes to the bench.

Mateo is batting .406/.432/.750 (13-for-32) with five doubles and two home runs in his last 11 games (10 starts). Last night’s homer into the Orioles bullpen was 108.2 mph off the bat.

Mountcastle has a season-high five-game hitting streak.

Tyler Wells has a 2.70 ERA and 0.686 WHIP in four games (three starts). He’s tossed five innings of scoreless relief in Texas and seven innings in his last start against the Tigers.

Wells has made six career appearances against the Red Sox, but only one start, and posted a 2.57 ERA and 0.786 WHIP in 14 innings.

The Orioles rotation has a 5.40 ERA that ranks 26th in the majors, and the bullpen has a 2.88 ERA that ranks third.

Boston right-hander Tanner Houck is 3-0 with a 4.29 ERA in four starts this season. He’s struck out 22 batters in 21 innings.

Houck’s first start was against the Orioles, when he allowed three runs and five hits with five strikeouts in five innings. Adam Frazier and Cedric Mullins hit home runs in the fifth.

For the Orioles
Cedric Mullins CF
Adley Rutschman C
Anthony Santander RF
Ryan Mountcastle DH
Gunnar Henderson SS
Adam Frazier 2B
Ryan O’Hearn 1B
Ramón Urías 3B
Terrin Vavra LF

Tyler Wells RHP

For the Red Sox
Alex Verdugo RF
Rafael Devers 3B
Justin Turner DH
Masataka Yoshida LF
Kiké Hernández SS
Triston Casas 1B
Jarren Duran CF
Enmanuel Valdez 2B
Connor Wong C

Tanner Houck RHP