[10][11][12] Although a closely contested bout, it was Marcus' clinching skills that made the difference as he took the unanimous decision win.

[22][23][24] After cruising to a unanimous decision over Jason Wilnis in the semi-finals, he lost out to Joe Schilling in the final.

Levin defeated Robert Thomas via UD at Glory 16: Denver in Broomfield, Colorado, US on April 3, 2014.

[31][32] The bout was cancelled, however, in order for fighters to compete at Glory 17: Los Angeles which was held a week later.

[33] Levin won the Glory 17: Los Angeles - Last Man Standing middleweight tournament and the inaugural Glory Middleweight Championship in Inglewood, California, on June 21, 2014, defeating Alex Pereira in the quarter-finals and Filip Verlinden in the semis, both by clear-cut unanimous decision, before rematching Joe Schilling in the final.

He scored a knockdown with a spinning backfist in round one, but was docked a point by referee Al Wichgers for excessive clinching in three.

"[40] Briefly moving away from Glory, Levin fought Daniel Alexandru for the WKN World Cruiserweight Muay thai title.

"[46] Following this fight, Levin decided to leave Glory, with both parties agreeing to mutually terminate his contract.