NASHVILLE, Tenn. — Khalif Battle scored seven of his 24 points in overtime and Arkansas defeated Vanderbilt 90-85 in the first round of the Southeastern Conference Tournament on Wednesday night. Lubin had 11 points, Manjon scored 10 and Vanderbilt shot 50% from the floor and 3-point line on the way to a 41-27 advantage at halftime. Mitchell had eight points …