The throw data was captured by Wilson Sporting Goods. Metrics were collected through a variety of drills during the Wilson QBX camps where players threw footballs using Wilson X Connected QB tracking technology embedded in each ball. More information can be found here - https://www.wilson.com/en-us/explore/labs/connected-football-system
Elite HS/College QB Averages | Gavin Adams Data
Throw Release Time (s): 0.45 | 0.44
Throw Velocity (mph): 44 | 40.3
Throw Spin Rate (rpm): 612 | 834
Throw Spiral Efficiency (%): 80 | 77
Elite HS/College QB Averages | Gavin Adams Data
Throw Release Time (s): 0.45 | .47
Throw Velocity (mph): 44 | 40.6
Throw Spin Rate (rpm): 612 | 770
Throw Spiral Efficiency (%): 80 | 66