O Vs. D Tennis Ball Acceleration The main focus of this drill is acceleration with the added task of turning out of a jab step or defensive breakdown into a 20 yard accel. Adding in the O vs. D layer to re-emphasize the importance of being fast out of these positions. In a real game scenario, getting a step on your opponent could be the difference #Acceleration #Accel #Offense #Defense #OVsD #CoachingAccel #CoachingAcceleration #AthleteDevelopment