Cavaliers All-Star guard Kyrie Irving will undergo an MRI after injuring his left knee Tuesday in a loss to the Pacers. Irving was helped off the floor in the third quarter after falling awkwardly on a missed layup. A team physician cleared Irving to play and he returned in the fourth, but couldn't stop the Cavaliers from dropping their sixth straight game, 91-76 to the Pacers. ''When I went back it still didn't feel right,'' said Irving, who finished with 10 points, five assists and five rebounds in 35 minutes. More...