The 6-3, 235-pound Quinn joins the Dolphins after spending time during 2013 with the Seattle Seahawks, New York Jets and St. Louis Rams. A veteran of seven NFL seasons, Quinn has appeared in 24 games with 20 starts and has completed 296-of-550 attempts for 3,043 yards and 12 touchdowns. He completed the 2013 season as a member of the Rams after signing with St. Louis on October 23, 2013. Prior to joining the Rams, Quinn spent six weeks with the Jets, signing with New York on September 9, 2013. He joined the Seahawks as an unrestricted free agent on April 11, 2013, but was released following training camp on August 31, 2013. In 2012, he started eight games for the Kansas City Chiefs, completing 112-of-197 attempts for 1,141 yards and two touchdowns after signing with the team as an unrestricted free agent on March 19, 2012. Quinn spent the 2010-11 seasons as a member of the Denver Broncos after being traded by the Cleveland Browns on March 14, 2010 in exchange for Peyton Hillis and a sixth round pick in the 2011 NFL Draft. He spent his first three seasons in the NFL with the Cleveland Browns after being selected in the first round (22nd overall) of the 2007 NFL Draft. While a member of the Browns, Quinn appeared in 14 games with 12 starts completing 184-of-353 attempts for 1,902 yards and 10 touchdowns.
A standout performer at Notre Dame, Quinn played in 48 games and tied a school record by guiding the Fighting Irish to 29 wins. During his tenure in South Bend, he set 36 school records, including career pass attempts (1,602), completions (929), passing yards (11,742), passing yards per game (239.6), touchdown passes (95) and lowest interception percentage (2.43). He finished his career ranked in the top 10 in NCAA history in pass attempts (seventh), passing yards (10th) and touchdown passes (ninth). As a senior in 2006, he started all 13 games, completing 289-of-467 passes for 3,426 yards with 37 touchdowns. Quinn won the Maxwell Award as the nation's most outstanding player and the Johnny Unitas Golden Arm Award as the nation's top quarterback as well as being named an AP second-team All-American and finished third in the Heisman Trophy balloting. Born October 27, 1984 in Columbus, Ohio, Quinn attended Dublin Coffman High School in Dublin, Ohio.