George Kirby's Fastball Struggles in Mariners' Tough Year

In 2026, Seattle Mariners pitcher George Kirby had a tough season. His fastball, once a star, lost its shine while his sinker became the main act. Even though he threw harder, batters still had his number. To shake things up, he added a cutter and leaned more on that sinker. It was a surprising twist in a challenging season for Kirby!