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Boog Powell will take over duties in left field for Guillermo Heredia Thursday against the White Sox. (AP)
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Mariners lineup vs White Sox: Guillermo Heredia’s turn for day off

Boog Powell will take over duties in left field for Guillermo Heredia Thursday against the White Sox. (AP)

Thursday night’s Mariners series opener against the Chicago White Sox will be Guillermo Heredia’s day off in Seattle’s outfield rotation.

Jarrod Dyson will return to center field after being off Wednesday, while Boog Powell will take over left field for Heredia.

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On the mound for the M’s will be rookie Sam Gaviglio making his first career MLB start. Chicago will counter with fellow right-hander Dylan Covey.

Coverage on 710 ESPN Seattle will begin with the pregame show at 6, followed by first pitch at 7:10.

Mariners (19-22)

Jean Segura, SS
Ben Gamel, RF
Nelson Cruz, DH
Kyle Seager, 3B
Danny Valencia, 1B
Boog Powell, LF
Taylor Motter, 2B
Jarrod Dyson, CF
Carlos Ruiz, C

Sam Gaviglio, RHP

White Sox (17-21)

Leury Garcia, CF
Yolmer Sanchez, 2B
Melky Cabrera, LF
Jose Abreu, 1B
Avisail Garcia, RF
Todd Frazier, 3B
Tim Anderson, SS
Matt Davidson, DH
Omar Narvaez, C

Dylan Covey, RHP