DALLAS -- Joseph Turner ran for 67 yards and a pair of 4-yard touchdowns as TCU defeated SMU 48-7 on Saturday.
The Horned Frogs (4-0) outgained SMU 498-210 in total yards. The Mustangs (1-3) have allowed all four of their opponents to score more than 35 points.
TCU converted two turnovers into touchdowns less than six minutes into the game. Safety Steven Coleman recovered a fumble at the SMU 39-yard line on the second play of the game. Five plays later, Turner scored on a 4-yard run.
TCU extended its lead to 14-0 after defensive end Jerry Hughes intercepted a screen pass and returned it 24 yards for a touchdown with 9:15 left in the quarter.
Turner scored on another 4-yard run on the Horned Frogs? first possession of the second half. Later in the third quarter, following an interception by nose tackle Cody Moore, quarterback Andy Dalton scored on a 5-yard run to give TCU a 34-0 lead.
Dalton was 16-of-25 for 210 yards before sitting out the final quarter. Backup quarterback Marcus Jackson led all rushers with 115 yards on seven attempts, including a 79-yard touchdown run late in the fourth.
SMU quarterback Bo Levi Mitchell completed 20-of-36 passes for 218 yards with two interceptions and one touchdown. Mustangs receiver Emmanuel Sanders led all receivers with six receptions and 62 yards.
The Horned Frogs retain the "Iron Skillet" given to the winner of the Dallas-Fort Worth rivalry. The Horned Frogs has not trailed this season and are off their its best start since 2003, when they started the season 10-0. They face a tougher matchup next week when they go on the road to play No. 2 Oklahoma.