MORGANTOWN, W.Va. -- A marquee matchup turned into a lopsided win for Oklahoma, and the Sooners now only have rival Oklahoma State in the way of back-to-back Big 12 titles.Those playoffs hopes? Still a long shot for Oklahoma.Baker Mayfield threw two touchdown passes and ran for two more scores and No. 9 Oklahoma scored four times off turnovers to beat No. 14 West Virginia 56-28 on Saturday night.In the first meeting of Top 10 teams in the Big 12 this season. Oklahoma (9-2, 8-0 Big 12, No. 8 AP) dominated from the start, building a 28-0 lead early in the second quarter before the Mountaineers tried a late comeback.It was really a good way to come out, really focused, Oklahoma coach Bob Stoops said. Thats how you want to start an important game on the road.Now the Sooners have two weeks to prepare for the 13th-ranked Cowboys. The title will be decided in Norman on Dec. 3.It will be exciting to be on our field playing for a Big 12 championship, Stoops said. Its as good as it gets.West Virginia (8-2, 5-2, No. 10 AP) was eliminated from the conference race. The Mountaineers entered the game with the leagues top scoring defense but had too many weapons to cover and made far too many miscues.Samaje Perine ran for 160 yards and two TDs, Joe Mixon had 147 yards and a score, and Dede Westbrook had 100 yards receiving, including a 75-yard TD. After Oklahomas hot start, the Sooners kept the ball mostly on the ground. Mayfield finished 9 of 15 for 169 yards, all season lows.West Virginias Justin Crawford rushed for 331 yards, the third-highest total in school history. Skyler Howard threw for two TDs and ran for two more scores. His 37-yard TD toss to KaRaun White pulled the Mountaineers within 41-28 with 10 minutes left in the game. But West Virginia got no closer.I thought we were ready to play, West Virginia coach Dana Holgorsen said. You cant make mistakes against a good football team.THE TAKEAWAYOklahoma: The Sooners improved to 2-2 against ranked opponents. Whether or not they make a move in the playoff standings after the convincing win remains to be seen, although the leagues top prize remains theirs for the taking.Obviously, it will be good to have a little rest, get a little time off, get ever