ESPNBaker Mayfield closes as prohibitive Heisman favorite at Vegas booksESPNOklahoma quarterback Baker Mayfield has closed as the odds-on favorite to win the Heisman Trophy after Nevada sportsbooks halted betting on the award over the past week. MGM had Mayfield listed at -250 as of last Monday, when the book took the odds ...KU football coach apologizes to Oklahoma, Big 12 for coin-toss handshake snubKansas City StarKansas Coach Apologizes After Mayfield Slighted by JayhawksU.S.