The most significant of the bunch was Brown, who was shown leaving practice on a cart. Leaving on a cart is never a good sign, and now Chiefs head coach Andy Reid has offered a major update on the receiver's injury. When speaking to reporters, Reid stated, "I don't think it's too bad, but we'll see."

Patrick Mahomes Frustrated with Chiefs as Andy Reid Looks for Answers originally appeared on Athlon Sports. The Kansas City Chiefs brought referees to training camp in St. Joseph, Missouri, on Sunday, and it was not long until the yellow flags started flying as the team practiced in pads for the first time.

Wide receiver Marquise Brown was among several Kansas City Chiefs who left practice with an injury Tuesday, when the nearly 2½-hour workout was conducted in temperatures that produced a triple-digit heat index by its conclusion.