LSU beat Arkansas 7-1 Sunday at Alex Box Stadium to sweep the three-game series and send the Razorbacks to a tie for last place in the SEC.
The No. 15 Tigers scored twice in the second inning and four times in the fifth to take control of the game. LSU led 7-0 after scoring a run in the eighth.
Arkansas (26-22, 7-17 SEC) didn't score a run until the ninth when Cullen Gassaway singled to score Austin Catron with two outs. The run was the team's first in 14 innings.
LSU (31-16, 14-10) chased Razorbacks starter Keaton McKinney from the game in the fifth inning.