 After ESPN used this for the first time, 92% of viewers reported that they preferred watching games this way and 64% of viewers reported that it helped them to understand the game better.After its debut on Sunday Night Football, the MLB soon began to use its own version of the Virtual Replay system.They used this system to show real-time, 3D views of pitches, including the speed, movement and location of the ball as soon as the pitcher releases it.