When infielder Donnie Walton made his major-league debut Tuesday night as a defensive replacement vs. Cincinnati, the Mariners officially set a new MLB record for most players used in a single season at 65.



Seattle tied the 2014 Rangers at 64 players earlier in the evening when 2016 first-round pick Kyle Lewis started against the Reds in right field. (Lewis notched his first big-league hit in the fifth inning when he blasted a solo home run off Trevor Bauer.)



The Mariners, who added four players from Double-A Arkansas earlier in the day, could pad their record as soon as today if reliever Art Warren gets in the game, or on Thursday, when Justin Dunn is scheduled to pitch.



The first year of Seattle’s much-publicized rebuild has seen this “team of opportunity” (in manager Scott Servais’ words) go through players left and right, with the hope that a few could stick around in 2020 and beyond. But if you asked me if I could name them all...