Tre Johnson and Arthur Kaluma scored 18 points each as Texas overcame a slow start to roll past visiting Mississippi Valley State 89-43 on Saturday in Austin, Texas.The Longhorns (3-1) were down by two points about eight minutes into game but took charge late in the first half, using a 17-5 run on the way to a 10-point lead at halftime. Texas expanded the margin to 17 early in the second half and poured it on from there, even as it emptied its bench over the final five minutes for the final 46-point margin.Julian Larry added 13 points for Texas while Kadin Shedrick had 12 points and Jordan Pope scored 10.The Longhorns made 17 consecutive shots from the floor after a miss by Johnson with 15:07 to play, shot 64.4 percent for the game and 77.8 percent (21 of 27) in the second half.Alvin Stredic led the Delta Devils (1-3) with 11 points with Greg Moore scoring 10.The Longhorns sputtered out of the gate, missing eight of their first 10 shots and trailing Mississippi Valley State 12-10 after Moore hit a layup at the 11:44 mark of the first half.