Ibrahimovic hat-trick boosts Milan as Juve held

Juventus FC v AC Chievo Verona - Serie A
TURIN, ITALY - MARCH 03: Mirko Vucinic of Juventus FC and Michael Bradley of AC Chievo Verona compete for the ball during the Serie A match between Juventus FC and AC Chievo Verona at Juventus Arena on March 3, 2012 in Turin, Italy. (Photo by Claudio Villa/Getty Images) (Getty Images)

Zlatan Ibrahimovic marked his return from a three-match ban with a first-half hat-trick as champions AC Milan routed Palermo 4-0 on Saturday, while Juventus suffered a setback when they were held 1-1 by Chievo.