Shirk attended Marysville High School in Ohio before moving onto Morehead State University where he was a four-year starter and was the team MVP in 1972.[2] After playing for Memphis in the WFL in 1974 and 1975,[1] Shirk moved on to the NFL, playing for the New York Giants from 1976 until 1982. He played in 101 games for the Giants, with 34 games started, and caught 130 passes for 1640 yards and 11 touchdowns before being released during the 1983 pre-season.[3] From 1979 to 1982, his QB in New York was another former Morehead State Eagle, Phil Simms. Shirk also played for the USFL Memphis Showboats after his NFL playing days.[4][5] Shirk was inducted into the Kentucky Football of Fame in 2010 and the Morehead State University Athletics Hall of Fame in 2014.[6]
^"Ohioan is named MVP Morehead, Ky". The Daily Reporter. Dover, Ohio. Associated Press. November 21, 1972. p. 13. Retrieved January 18, 2016 – via Newspapers.com. Gary Shirk of Richwood, Ohio, was named Morehead State University's most valuable football player Monday night at the annual fall sports banquet. Shirk, a senior tight end, was the top Eagle pass receiver this year. He was team captain and a four-year starter.
^Wallace, William N. (February 26, 1984). "A Critical Period Ahead in the Battle for Survival". The New York Times. Retrieved January 18, 2016. Memphis Showboats: (...) Leading players - Walter Lewis, rookie QB from Alabama; Reggie White, rookie DT from Tennessee; Gary Shirk, TE, last with Giants; Terdell Middleton, RB, last with Green Bay Packers.