SMU running back T.J. Harden rushed for a pair of touchdowns and the Mustangs rallied for four unanswered touchdowns after a mistake-filled start in a 28-10 victory over the Missouri State Bears on Saturday afternoon in Springfield, Mo.After a 48-45 double-overtime home loss to Baylor last week, SMU (2-1) was looking to get back on track with a tune-up as a 28 1/2-point favorite over the Bears (1-2), who were playing their first FBS game as a Conference USA member.Harden rushed 15 times for 96 yards and the go-ahead score in the second quarter.SMU quarterback Kevin Jennings completed 24 of 36 passes for 281 yards with a touchdown to RJ Maryland and an interception. Dramekco Green also rushed for a score.Isaiah Nwokobia, Jaelyn Davis-Robinson and William Nettles each produced an interception.Missouri State’s Jacob Clark was 23 of 37 for 275 yards with a touchdown and three interceptions. Dash Luke caught five passes for 80 yards and the Bears’ lone touchdown.J.J. O’Neal had an interception while Thomas Anderson posted a fumble recovery.The teams combined for three turnovers in a little more than the first five minutes of the game, but the only score was a 38-yard field goal by Missouri State’s Yousef Obeid.