Texas quarterback Arch Manning matched a career high with four touchdown passes in a 59-7 win over Texas State on Saturday in what served as a stress-free tuneup for the Longhorns’ Week 2 showdown with Ohio State.Manning was sharp for the majority of the day, completing 20 of 27 pass attempts for 305 yards with one interception. He left the game midway through the third quarter with Texas leading Texas State 42-7.The No. 5 Longhorns, who introduced a slew of high-impact transfers, had few issues with the overmatched Bobcats. Former Auburn receiver Cam Coleman, the No. 1 player in the transfer portal this offseason, caught Manning’s first touchdown pass, an easy 6-yard toss to a wide-open Coleman in the corner of the end zone.Arch Manning: How did he look in his season debut?Sam Khan Jr. and Johnny SweetManning didn’t have to shoulder a ton of the load thanks to a strong running game, powered by transfer running backs Hollywood Smothers and Raleek Brown, who combined for 143 scrimmage yards and three touchdowns. The Texas defense also chipped in with three takeaways, one of which was a 59-yard fumble return by defensive back Graceson Littleton to give Texas a 28-0 second-quarter lead.