[2] Beginning this year, Bellator would drop its original, weekly, seasonal tournament format and adopt a traditional monthly schedule.

Background A Bellator Featherweight World Championship rematch between Patrício Pitbull and Daniel Straus headlined the event.

Results [5] Bellator 133: Shlemenko vs. Manhoef took place February 13, 2015 at Save Mart Center in Fresno, California.

Results [6] Bellator 134: Newton vs. McGeary took place February 27, 2015 at the Mohegan Sun Arena in Uncasville, Connecticut.

[7] Michael Page was expected to face Curtis Millender but withdrew due to a cut over his left eye and was replaced by Brennan Ward.

Background This event headlined the Bellator Bantamweight Championship between champion Joe Warren and challenger Marcos Galvao.

Results [10][11] Bellator 136: Brooks vs. Jansen took place on April 10, 2015 at Bren Events Center in Irvine, California.

Background The event was expected to be headlined by a Bellator Middleweight Championship bout between then champion Brandon Halsey and UFC veteran Kendall Grove.

The co-main event featured a Bellator Bantamweight Championship title eliminator bout between former champion Eduardo Dantas and Mike Richman.

Results [14] Bellator 138: Unfinished Business took place on June 19, 2015 at the Scottrade Center in St. Louis, Missouri and was broadcast live in prime time on Spike TV, attracting an average 1.7 million viewers.

[15] Background The event was headlined by a heavyweight bout between combat sports veterans Kimbo Slice and Ken Shamrock.

However, Karakhanyan was forced out of the bout due to an injury and was replaced by Season 10 Featherweight Tournament winner Daniel Weichel.

Background This event was headlined by a Welterweight Championship fight between current champion Douglas Lima and two-time tournament winner Andrey Koreshkov.

Results [20] Bellator 141: Guillard vs. Girtz took place August 28, 2015 at the Pechanga Resort and Casino in Temecula, California.

Background The main event featured a vacant Bellator Middleweight Championship bout between undefeated former champion Brandon Halsey and top contender Rafael Carvalho.

Bobby Lashley looked to avenge a contentious May 2012 Super Fight League decision loss to James Thompson.

Results [25] Bellator 146: Kato vs. Manhoef took place November 20, 2015 at the WinStar World Casino in Thackerville, Oklahoma.