As the 2025 MLB season progresses, top pitching prospects are emerging as key stashes for fantasy managers. Bubba Chandler of the Pittsburgh Pirates is leading the charge with a remarkable 2.27 ERA at Triple-A, showcasing his potential for a major league debut. Andrew Painter of the Philadelphia Phillies is also a must-stash as he continues his recovery from Tommy John surgery, showing promise in his recent outings. Jacob Misiorowski of the Milwaukee Brewers has turned heads with a stellar 0.80 ERA over his last six starts, indicating he could soon join the big leagues.

Ian Seymour of the Tampa Bay Rays is another to monitor, carrying high strikeout potential despite a rough patch. The San Francisco Giants' Carson Whisenhunt rounds out the standout prospects, impressing with a strong 1.29 ERA recently. As these pitchers develop, they offer significant upside for fantasy squads looking to strengthen their pitching staff.