Boykin passed Andy Dalton’s previous touchdown pass record of 71 with KaVontae Turpin’s second touchdown.
Doctson set a new career touchdown catches record with his second touchdown in the first quarter on a trick play when running back Shaun Nixon threw a 29-yard pass to the wide receiver. Josh Boyce previously held the record.
Defensive end Mike Tuaua started after missing the past three games due to a suspension. He finished the first half with two tackles.
True freshman Montrel Wilson led TCU’s defense with 11 tackles and one sack.
TCU ended the first quarter 30-0. The Frogs had the ball for 32 seconds longer than the Horns and had 200 more yards of offense.
Special teams woes plagued the Longhorns in the first half, with a high snap on a punt leading to a safety and two field goal attempts flying wide.
Turpin scored his third touchdown with a 50-yard pass from Boykin for the Frogs’ only score of the second quarter.
TCU beat Texas by 38 last season (48-10) and is up 37-0 Saturday at the half. TCU hasn’t beaten Texas by double digits in back-to-back games since 1955-56.