Perfect in-season training tool for your youth RB, QB, WR or TE. Add a Gold Rush weighted football to RB breakout sessions and help your athletes secure the football. Training with a weighted football creates muscle memory, builds grip strength, increases stamina and endurance, develops explosiveness and helps promote ball security awareness and eliminate fumbles. Junior size footballs are used by 9-12 year old athletes. $40. New. Call or text.