Mariners 40-man, Non-Roster Invitee Checkup: Pitchers

Reading Time: 14 minutes Unless regular-scheduled programming is preempted by an agreement between the owners and the MLBPA, the Seattle Mariners, and 29 other clubs, are due to report for spring training in the next several days. This suggests at least a near-complete list of report-date rosters, so let’s go through this group by group. With the Marine…