Stepping in for an All-American might concern some players. Xavier's Mark Lyons had no problem. Lyons, taking over at point guard for suspended senior Tu Holloway, scored 22 points and Dezmine Wells added 12 in his college debut to help the Musketeers (No. 15 ESPN/USA Today, No. 14 AP) open the regular season with a 74-63 victory over Morgan State on Friday night.