John Joseph "Jack" Murphy (born April 6, 1988) is an American professional baseball catcher who is a free agent.

[3] He played 50 games in Lansing in 2011, earning a late promotion to the Double-A New Hampshire Fisher Cats, and finished the year with a .220 average, 3 home runs, and 24 RBI.

[3] In the offseason, Murphy played for the Canberra Cavalry of the Australian Baseball League, and batted .304 with 5 home runs and 22 RBI.

[3] In his third season with Canberra, Murphy won the team's Silver Slugger and MVP awards,[2] batting .353 with 6 home runs and 37 RBI.

[3] He returned to Oklahoma City the following season,[8] and played in 57 games split between them and the Double–A Tulsa Drillers; in 163 total at-bats, he hit .141/.237/.184 with no home runs and 13 RBI.