Four players scored in double figures for LSU, with Randy Onwuasor and Skylar Mays finishing with 12 points each and Duop Reath adding 11. The Tigers led by as many as 24 points in the first half and shot 52.7 percent (29 of 55) in the win.
Jaylen Barford had 17 points to lead the Razorbacks (11-5, 1-3), who have lost three straight games after reaching No. 22 in The Associated Press poll a week ago. Barford was 6 of 15 from the field and the only Arkansas player to score in double figures.
Arkansas entered the game leading the SEC with an average of 88.5 points per game, but it trailed 41-21 at halftime and never threatened in the second half.
LSU: Tremont Waters entered the game having already earned the SEC Freshman of the Week honors twice this season, including last week. The 5-foot-11, 167-pound point guard, who leads the league in assists with an average of 6 per game, lived up to his many accolades on Wednesday _ finishing with eight points, eight assists and five rebounds for the Tigers.
Arkansas: The Razorbacks played their worst half of the season to open the game, shooting just 6 of 33 (18.2 percent) from the field and trailing by as many 24 points before settling for a 41-21 halftime deficit. The 21 points were a season-worst in a half for Arkansas, which shot a season-worst 33.3 percent (19 of 57) overall.
LSU returns home to host Alabama on Saturday.
The suddenly reeling Razorbacks host Missouri on Saturday.
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