During Tuesday's practice, video showed a live rep for the Chiefs' offense against the defense. Patrick Mahomes took the snap then handed the ball off, and after Simmons went to block Gillottee, the two engaged in some pushing and shoving.

Ohio State's Josh Simmons scraps with Louisville's Ashton Gillette during Chiefs' practice drill in rookies' first NFL camp.

The intensity of the third day of pads-on practice, and perhaps the heat, led to the first scuffle in the Kansas City Chiefs' training camp. Rookie offensive lineman Josh Simmons starred in an altercation with fellow rookie defensive end Ashton Gillotte Tuesday morning.