MT. PLEASANT, Mich. — Larry Austin Jr. had 24 points and 13 rebounds as Central Michigan topped Western Michigan 81-67 in the first round of the Mid-American Conference Tourney on Monday night. Shawn Roundtree added 20 points for the Chippewas. Roundtree also had six assists for the Chippewas. David DiLeo had 14 points for Central