John Calipari announced on Tuesday that freshman guard Sam Malone tore his left ACL in the closing minutes of Saturday’s win against the Chattanooga Mocs.The feeling has to be all too familiar Scituate, Mass., native, who will now undergo his fourth reconstructive knee operation since the start of high school. He had earned a spot on the Kentucky roster in spite of his injury history and had become a fan favorite for his aggressiveness when he did get opportunities to play.”Losing Sam Malone to an ACL injury is heartbreaking,” Calipari said. “He has been a great teammate and an even better person. You never want to hear someone is injured, but for Sam to go through his fourth knee injury is especially tough because he’s worked so hard to get where he is. He has become a valuable member of our team and quickly became a fan favorite. We look forward to Sam making a full recovery.”Malone had scored six points in six appearances and 13 minutes as a Wildcat.Surgery has not been scheduled, but he will be operated on as soon as inflammation in Malone’s knee subsides. No timetable for his return has been announced.