Yeah. Once my son started pitching the football would come of his hand differently.
With a heavier implement (football) pronation after release happens naturally, this protects the elbow. The arm is also (naturally) moving slower. When working with pitchers the hard part to get parents to understand is when throwing weighted baseballs the injury risk is much higher with under weight balls (3-4 oz) than overweight baseballs (6-9 oz).