FAYETTEVILLE – Malique Ewin scored 21 points, making 8-of-9 from the field – including his first career 3-pointer – and 4-of-4 from the line, while Karter Knox posted his second double-double of the season, with 17 points and 10 rebounds, to lead the 21st-ranked Razorbacks to a 115-61 victory over Jackson State Friday night at Bud Walton Arena.