Early career Lindsey competed as an amateur with an undefeated 7–0 record before making his professional debut in 2010 competing for various regional promotions across the
Midwest. He was able to compile a record of 9–0, before signing with the UFC in early 2014.
Ultimate Fighting Championship Lindsey made his promotional debut as a short notice replacement for an injured
Yosdenis Cedeno and faced
Jon Tuck on June 7, 2014, at
UFC Fight Night 42. After a competitive first two rounds, Lindsey was defeated by submission in the third round as he tapped to a series of heel strikes to the ribs. Lindsey faced
Olivier Aubin-Mercier on October 4, 2014, at
UFC Fight Night 54. After a fairly even first round, Aubin-Mercier won the bout via submission in the second round, as he was able to lock an inverted triangle on Lindsey and get the tap while applying a kimura. Lindsey faced promotional newcomer
Joseph Duffy on March 14, 2015, at
UFC 185. He lost the fight via TKO in the first round and was subsequently released from the promotion. ==Bare-knuckle boxing==