STARTING PITCHERS Zack Wheeler · SP · Philadelphia Phillies · Thoracic Outlet Syndrome Surgery (Sept. 23) · ETA: Mid-April · 🟢 ON TRACKThe most encouraging arm on this list. Wheeler made his first rehab start March 28 for Triple-A Lehigh Valley — three scoreless innings, three strikeouts, 38 pitches, fastball sitting 93.3 and touching 94.3… Read.