Mayfield connected with Mark Andrews for a 13-yard touchdown reception, extending OU's lead to 35–17 with Seibert's kick. Tech marched down to the Oklahoma 10 yard line on their next possession, but had to settle for a Hatfield 28 yard field goal. With the kick good, the Red Raiders trailed the Sooners 20–35 with 9:16 left in the 3rd. OU scored on their next possession with another rushing touchdown from Perine. With Seibert's kick good, OU gained their largest lead of the day with 22 points. Tech answered back with a 1-yard rush from Mahomes for a touchdown. With Hatfield's kick good, the Red Raiders trailed the Sooners 27–42 with 4:50 left in the 3rd. Once again, the Sooners scored on their next possession to extend their lead to 49–27. Down by 22, the Red Raiders ended the 3rd quarter from their own 36, looking for a comeback win. The Red Raiders started out the 4th quarter with Washington rushing 14 yards to the 50 yard line, breaking a tackle in the process. A penalty against the Red Raiders pushed them back to their own 45. Mahomes was sacked on the ensuing play, going into 3rd and 31. The Red Raiders went for it on 4th down and 11, turning it over on downs after Mahomes was sacked again. Both teams finished the game with their respective backup quarterbacks: Trevor Knight for Oklahoma and Davis Webb for Texas Tech. The Red Raiders fell to the Sooners 27–63 in their first game of the 2015 season where they failed to score at least 30 points. The Red Raiders received the ball first, quickly scoring with a Patrick Mahomes 42 yard pass to Justin Stockton for a touchdown. Tech originally went for a 2-point conversion, but the pass fell incomplete; however, a defensive pass-interference call against Oklahoma State gave the Red Raiders another chance. Settling for a Clayton Hatfield PAT, Texas Tech took an early 7–0 lead in just under a minute. On their next possession, the Red Raiders were pinned against their own endzone with the ball on their 3-yard line. Mahomes connected with Jakeem Grant, who took the ball all the way to OSU's 7-yard line. Tech scored with another Mahomes pass to Stockton to extend their lead to 14–0 with 9:34 left in the 1st. A Mason Rudolph pass was intercepted by Dakota Allen, which led to a 42-yard field goal from Hatfield.