Check out this leaping touchdown reception by rookie WR Jalen Royals from the Kansas City Chiefs' latest training camp practice session.

The Chiefs’ offense is unique in that it doesn’t just rely on receiver routes that are written in the playbook. Things can shift in the moment, with coaches — and even quarterback Patrick Mahomes — demanding that players react to the defense while altering and adjusting to variables they didn’t know before the snap.

Kansas City Chiefs coach Andy Reid made his true feelings known about rookies Josh Simmons and Ashton Gillotte.