COLUMBIA, S.C. Arkansas used a nine-run fourth inning and a five-run seventh to defeat South Carolina, 15-3 on Friday night at Carolina Stadium.

With the win, the 21st-ranked Razorbacks improved to 15-7 and 2-2 in Southeastern Conference play, while No. 5 South Carolina drops to 18-4 and 2-2 in league play.

The 15 runs were the most scored by Arkansas in an SEC game since scoring 17 runs against Kentucky on April 4, 2010. Arkansas had double-digit hits (13) for the third straight game and for the fifth time in the last six contests.

Eight of the nine position starters for the Razorbacks had at least one hit in the victory. Right fielder Tyler Spoon had three hits and drove in five runs to increase his season RBI total to 31. Shortstop Brian Anderson had two hits, including his first homer of the season, and drove in two runs. Third baseman Jacob Mahan and designated hitter Joe Serrano also added two hits apiece.

Mahan ran his hitting streak to 10 straight games. Second baseman Dominic Ficociello, center fielder Jacob Morris, left fielder Matt Vinson and catcher Jake Wise each had one hit. Mahan and Morris each had two RBI. Vinson has now hit safely in seven straight games, while Morris is on a six-game hitting streak.

South Carolina had six players with one hit each. Connor Bright, LB Dantzler and Grayson Greiner each had a RBI in the loss.

Arkansas starter Barrett Astin (2-1) earned the win after allowing three runs on six hits and striking out five in 5 1/3 innings. Brandon Moore and Chris Oliver combined to throw 3 2/3 hitless innings out of the bullpen.

South Carolina starter Evan Beal (2-1) took the loss. Beal allowed eight runs on six hits and struck out six in his 3 1/3 innings.