A Football App Shares Strategies With Coaches
Former NFL assistant coach Charles Coiner launched FirstDown PlayBook DropBack for middle-school, high-school and college teams. The app has a database of more than 5,000 plays--many used in real-game situations.
Football is a complex sport, with millions of options for each run or pass play. For coaches, the biggest challenge is in finding the time to dream up new strategies that will work from year to year. That's difficult enough when you're a