Collin Murray-Boyles collected 22 points, 10 rebounds and three blocks as host South Carolina finally picked up its first Southeastern Conference victory by defeating Texas 84-69 on Saturday night in Columbia, S.C.Murray-Boyles notched his eighth double-double this season and 10th of his two-year career as the Gamecocks (11-16, 1-13 SEC) played flawlessly most of the night to end a 13-game losing streak. They earned their first win since beating Presbyterian on Dec. 30.Murray-Boyles made 9-of-16 shots before fouling out with 4:25 remaining.Jamarii Thomas added 15 by going 12-of-13 from the free throw line as the Gamecocks scored 15 of their final 18 points at the line and converted 34 of 45 free throws. Zachary Davis contributed 12 points and Morris Ugusuk chipped in 10, all in the second half, by hitting three 3-pointers. The Gamecocks shot 43.1 percent from the floor.Tre Johnson scored 29 points for Texas (16-11, 5-9), which was coming off an 82-78 win over Kentucky. Johnson shot 11-of-21 but had little help. He scored at least 20 points for the sixth time in his past eight games.The Longhorns shot 29.6 percent in the opening 20 half and 40.4 percent overall as they trailed for the final 34-plus minutes.