Ryan Wormeli pegged 29‑year‑old rookie Jake Mangum as a perfect plug‑and‑play source of stolen bases and batting average. Despite producing zero barrels and carrying a negative launch angle, Mangum is batting .327 with a .360+ OBP and has swiped seven bags without being caught. His .364 BABIP mirrors his high‑contact minor‑league profile, and Baseball Savant clocks him in the 90th percentile for sprint speed. Mangum rarely whiffs—his K‑rate sits in single digits—so Wormeli believes he can sustain a .280‑plus average even with little pop. The Rays could eventually “market‑correct” him when prospect Chandler Simpson arrives, but Wormeli says grab Mangum now, harvest steals and average for as long as he’s starting, then cut bait when the playing time dries up. Ideal for roto teams lagging in the SB column.