Mariners Claim Outfielder Grant McCray Off Waivers
The Seattle Mariners have added outfielder Grant McCray to their active roster via the waiver wire.
Updated on Oct. 29, 2026 in Baseball
The Seattle Mariners officially acquired Grant McCray from the San Francisco Giants after claiming him off waivers. The move adds depth to the Seattle outfield as the club reshapes its roster.
Why it matters
Acquiring players through waivers allows teams like the Mariners to bolster their roster depth without requiring a direct trade or significant financial commitment. The move provides Seattle with a fresh look at talent previously under contract with the Giants.
During his time with the Giants, McCray demonstrated power, recording a 111.1-mph exit velocity on a line drive and a 101.9-mph home run that traveled 406 feet. His peak exit velocity marked a 2.2-mph increase over his previous career high.
The players
Seattle Mariners
The Seattle Mariners are a professional baseball team competing in the American League West division of Major League Baseball.
Grant McCray
Grant McCray is a professional baseball outfielder who previously played within the San Francisco Giants organization.
San Francisco Giants
The San Francisco Giants are a Major League Baseball franchise that competes in the National League West division.
The details
Grant McCray joins the Seattle organization following his tenure with the San Francisco Giants. The transition occurs as the Mariners actively evaluate their roster composition for the next period of competition.
Timeline
The Seattle Mariners claimed Grant McCray off waivers on October 29, 2026.
Season Trajectory
This roster move reflects the continuous cycle of talent acquisition used by MLB teams to maintain competitive depth throughout the off-season. The addition of McCray fits into the broader league-wide effort to refine rosters before the start of spring training.
McCray’s arrival increases the total number of outfield options competing for a roster spot in the upcoming spring camp. Fans should monitor how his high-velocity hitting metrics translate to consistent production against major league pitching.
The takeaway
The waiver wire remains a critical tool for front offices to secure high-upside players without sacrificing draft capital. Seattle management will now evaluate whether McCray's recent exit velocity gains translate into a regular role.
Further reading
For more updates on roster changes, visit the Seattle Baseball section.
