Clint Trickett threw three touchdown passes and West Virginia surprised sloppy No. 4 Baylor 41-27 Saturday.
The Mountaineers (5-2, 3-1 Big 12) earned their first win over a top five opponent since the Fiesta Bowl after the 2007 season.
West Virginia sacked Baylor's Bryce Petty four times and limited the Bears to one touchdown after halftime.
Baylor was penalized 18 times for a Big 12-record 215 yards. Seven were for pass interference.
Trickett went 23 of 35 for 322 yards, his eighth straight 300-yard game going back to last season.
Baylor (6-1, 3-1) couldn't overcome a double-digit deficit as it did in a 61-58 victory against TCU last week.