ards per kickoff return and 21.8 yards per punt return.
The Sooners also muffed a punt return at their own 16-yard line with 4:44 left to set up the game-tying touchdown and interfered with a Colorado fair catch.
Poor coverage cost OU until the bitter end when CU's Chase McBride returned the final punt of the game 31 yards to the 50-yard line, setting up the Buffs' game-winning drive.
"We didn't play very well obviously,” Sooners defensive coordinator Brent Venables said. "We didn't play very well as a team today, whether we had foolish penalties at bad times, not taking advantage of field position, or giving up field position, and just not stopping the run.”
Likely due to a combination of two things — the thin Colorado air and an even thinner time of possession by the Sooner offense — OU defenders said they wore down in the final quarter
"We just got a little tired at the end of the game,” cornerback Reggie Smith said. "But it shouldn't matter.”