Petree played college baseball for the Missouri State Bears, earning All-American honors in three seasons.
[1][2][4] Petree was also a finalist for the Dick Howser Trophy and the Golden Spikes Award.
[8] In 2014, Petree started the season playing for the Peoria Chiefs of the Class A Midwest League.
[7] On May 4, he was then called up to the Palm Beach Cardinals of the Class A Florida State League.
[9] On September 1, Petree was called up to the Double-A Springfield Cardinals of the Texas League.