ペンサコーラ・ブルーワフーズ
Garrett opened the 2016 season with the Pensacola Blue Wahoos of the Class AA Southern League. The Reds promoted him to the Louisville Bats of the Class AAA International League in June. He was named to appear in the 2016 All-Star Futures Game. He finished 2016 with a 7–8 record and a 2.55 ERA.