Radial vs. Ulnar Deviation — Your Wrist Might Be Costing You Velo. ⚾💥 Your wrist position at release plays a massive role in how the ball spins, moves, and comes out of your hand. ❌ Ulnar Deviation (pinky side) – Wrist collapses outward – Hard to pronate – Fastballs get “cut” – Velocity and command drop ✅ Radial Deviation (thumb side) – Wrist stacks toward the thumb – Easier, faster pronation – Cleaner spin better carry – High-spin fastballs and sharper movement Dialing in wrist position = more