by Lucas Treat (firstname.lastname@example.org)
Kansas City, Mo. - Kansas City Chiefs Quarterback Matt Cassel was knocked out of the Chiefs' game against the Baltimore Ravens as the Chiefs lost, 9-6.
Cassel left on Sunday after getting hit by the Ravens' Haloti Ngata while attempting a pass. He was down on the turf for several minutes before eventually walking off the field under his own power.
Cassel was 9 of 15 for 92 yards and two interceptions when he left the game.
Former first round pick Brady Quinn replaced Cassel, and finished the game with three completions out of three attempts for 32 yards.