University of Arkansas senior wide receiver Lucas Miller is scheduled to have surgery Friday after suffering a broken collarbone during practice Thursday morning. Miller is expected to return in four to six weeks. The Razorbacks were working out inside the Walker Pavilion Thursday morning due to weather conditions in Fayetteville. Miller has played in 33 games and made 10 career starts, including six in 2008. He finished the 2008 season fourth on the team with 30 receptions and had the second-highest receiving total with 490 yards. He also had a pair of touchdowns.