Sep 10, 2017; Los Angeles, CA, USA; Indianapolis Colts running back Marlon Mack (25) fumbles the ball during the fourth quarter against the Los Angeles Rams at Los Angeles Memorial Coliseum. In on the play are Los Angeles Rams outside linebacker Cory Littleton (58), linebacker Samson Ebukam (50) and defensive end Morgan Fox (97).; Mandatory Credit: Robert Hanashiro