Combination route with the center and wide receiver. Center runs down the line of scrimmage after the snap and the wide receiver runs behind. Ideally their defenders get tangled up in the coverage and one or both comes open for the quick pass.
Backfield Cross Under is an offensive 5 on 5 flag football play from the Shotgun Spread Strong formation and is authored by Football Coach. For free football playbook software or to see this play in action head over to FootballPlaysnow.com