The Opener Mariners Henderson Minor Leagues

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As the 2025 regular season continues, here are three things well be keeping an eye on around the baseball world throughout the day today:  1. Mariners 40-man move incoming:  The Mariners are poised to select the contract  today, who will start todays game against the Giants and  after teammate and veteran righty  started the clubs last game on Wednesday. In order to make way for that quirky bit of trivia, Seattle will need to clear a 40-man roster spot. With no obvious candidates for the 60-day injured list on the roster, the Mariners will likely need Marco Estrada Jersey  to designate one of their players for a signment, at which point theyll have one week to either trade that player or succe sfully pa s them through waivers.  2. Henderson likely to be activated:  opened the season on the injured list, but manager Brandon Hyde told reporters (including ) that its probable the star infielder will be activated from the injured list to start the clubs series opener against the Royals in Kansas City, for which Baltimore will be facing veteran right-hander  coming off his dominant 2024 season where he finished as the runner up to  in AL Cy Young award voting. The Orioles have gotten off to a difficult 3-4 start to this point in the season, but the return of Henderson after a year where he broke out to the tune of a .281/.364/.529 slash line and finished fourth in AL MVP voting should go a long way to improving the clubs offense. The return of Henderson figures to kick  off shortstop back to second base, with  returning to third base after covering the keystone and  heading for the bench.  3. Minor League Opening Day:  While the major leagues had their Opening Day last week and Triple-A followed suit shortly there after, the rest of minor league baseball has not yet began their seasons. That changes today with the arrival of Opening Day for Double-A, High-A, and Single-A affiliates all around baseball. The earliest of those games is a game between the Double-A affiliates of the Orioles and Pirates, the Chesapeake Baysox and the Altoona Curve. That game begins at 5pm CT this evening, though of course all three levels have 15 games scheduled to run throughout the evening. Prospect hounds will get their first opportunities to catch glimpses of the 51 of who are currently in the lower full-season levels of the minors, including top-ten talents like Twins outfield prospect  , Tigers outfield prospect  , and Guardians second base prospect  .  Luke Maile Jersey