Seattle Mariners shortstop Colt Emerson is set to undergo season-ending surgery on his wrist after sustaining an injury that leads to a premature end to his season. Reporting across outlets says the procedure is intended to repair damage that medical staff describe as involving a partially dislocated tendon.

Context for the move varies slightly by source, but all describe the decision as part of a difficult rookie stretch. Yahoo Sports notes Emerson is promoted to the majors as Seattle’s No. 1 prospect and references a long-term contract he signed before arriving in the big leagues. Another Yahoo Sports report says the club had considered demoting him to Triple-A Tacoma to work on his swing before the injury worsened and placed him on the injured list following the Yankees series.

Several outlets frame the outcome as a setback to Emerson’s debut campaign, with at least one characterizing his season as disappointing, while Yardbarker links the wrist injury to on-field struggles. Newsweek reiterates that the surgery is season-ending, concluding the season for the young shortstop.