2010, but was still rehabbing from foot surgery and did not participate in the on-field drills. He signed with the San Francisco 49ers as an undrafted free agent following the 2010 NFL Draft on June 8, 2010. Kopa was released during final cuts, but was signed to the 49ers' practice squad on September 6, 2010, where he practiced for the first eight games of the season. He was signed by the Miami Dolphins as a free agent off the 49ers' practice squad on November 9, 2010. On September 3, 2011, Kopa was cut by the Miami Dolphins as part of the final roster cutdowns. On September 5, 2011 Kopa was signed to the New England Patriots practice squad. On December 3, 2012, Kopa was signed to the Philadelphia Eagles' active roster off the Patriots' practice squad. Kopa injured his back during the 2013 preseason, and was later released by Eagles when they made their final roster cuts on August 30, 2013. Kopa subsequently had several epidural injections while undergoing physical therapy, but eventually had surgery at Stanford University Hospital to repair two ruptured disks as well as several bulging disks. Not wanting to risk further injury he opted to retire. References Living people 1987 births American football offensive tackles Stanford Cardinal football players San Francisco 49ers players Miami Dolphins players Philadelphia Eagles players Sportspeople from Elk Grove, California Players of American football from California