The weak side receiver motions to the make the formation tight. At the snap the three linemen run slants to the sideline and the split receiver runs underneath them for the middle screen.
Rolling Middle Screen is an offensive 5 on 5 flag football play from Shotgun Spread Strong which is a shotgun spread formation with one of the receivers lined up tight to the center. This play is authored by NFL Package. For flag football defense strategy or to see this play in action head over to FootballPlaysnow.com