Early career

Prior to signing with Bellator, Reiter competed mainly in Peru, for the Inka Fighting Championship promotion. He went undefeated, compiling a record of 14–0–1. The only blemish on his record was a draw with Marcos Rogério de Lima.

Bellator MMA

In his promotional debut for Bellator MMA, Reiter defeated Shamir Garcia via unanimous decision at Bellator 124 on September 12, 2014.^[2]

Reiter defeated veteran Benji Radach, via unanimous decision, at Bellator 137 on May 15, 2015.^[3] Reiter was originally scheduled to face A.J. Matthews at the event, but Matthews sustained an injury and was replaced with Radach.^[4]

Reiter received his first professional loss against Francisco France at Bellator 146 on November 20, 2015, submitting to a rear-naked choke.^[5]

Reiter/Matthews took place at Bellator 156 on June 17, 2015, which Reiter won via a unanimous decision. Reiter dominated the bout on the ground, almost getting a stoppage due to ground-and-pound towards the end of the third round and even hurting his opponent on the feet at one point.^[6]

Reiter faced Chris Honeycutt at Bellator 166 on December 2, 2016. Unable to stop Honeycutt's relentless strikes and takedowns, Reiter lost the one-sided fight via unanimous decision.^[7]

On February 20, 2018 it was announced that Bellator had released Reiter from the promotion.^[8]