He committed to attend Indiana University on a baseball scholarship after high school.
[2] Huntzinger pitched for the Greenville Drive of the Class A South Atlantic League in 2008 and 2009.
He won the Red Sox' minor league pitcher of the month award for June, in which he had a 1.80 ERA,[5] and continued to pitch in relief for Portland and the Pawtucket Red Sox of the Class AAA International League.
[10] On December 15, 2014, the Oakland A's signed him to a minor league contract with an invitation to spring training.
On July 14, 2022, Huntzinger was named pitching coach for the Michigan Wolverines baseball team for the 2022–23 season.