MLB insiders “pretty worried” by rise in arm injuries to top young starting pitchers
Matt Blake texted Cleveland Guardians pitcher Shane Bieber a conciliatory message over the weekend. As a member of the Cleveland player-development system in the 2010s, Blake aided Bieber’s rise from college walk-on to unanimous American League Cy Young Award winner in 2020. For a time, Bieber represented the modern model for the manufacturing of a big-league ace, a player who added strength to his frame, velocity to his fastball and spin to his offspeed pitches as he ascended the ranks.By the time Blake sent his text, though, Bieber had become part of a growing, more troubling demographic: talented young pitchers who will spend this season as spectators. Two days after the Miami Marlins announced 20-year-old phenom Eury Pérez would undergo Tommy John surgery, the Guardians disclosed Bieb...