
Mariners Test J.P. Crawford at Third Base as Colt Emerson Debuts
Seattle is testing J.P. Crawford at third base after he proposed the move, as top prospect Colt Emerson makes his MLB debut and is eyed as Seattle’s future shortstop; Emerson has shown versatility between short and third, and Crawford’s shift could boost the infield's long-term flexibility while Donovan's injury absence creates a temporary opening.













