AC Milan striker Ronaldo could be out the rest of the season after pulling his left hamstring in practice. Ronaldo was examined Saturday and further tests were planned over the next few days, the club said in a statement on its Web site. The Brazilian striker was not included in Milan's squad to play Fiorentina in the Serie A on Sunday. "I'm sorry because he was going through a great period," Milan coach Carlo Ancelotti said. More...