Lightweight: 146-155 lbs.


Clay Guida and Josh Thomson compete for the inaugural Strikeforce lightweight championship.

Clay Guida
def.
Josh Thomson
Decision (unanimous) @ 5:00 of R5
Strikeforce: Shamrock vs. Gracie
03.10.06

Gilbert Melendez
def.
Clay Guida
Decision (split) @ 5:00 of R5
Strikeforce: Revenge
06.09.06

def.
Gabe Lemley
TKO (punches) @ 2:18 of R2
Strikeforce: Shamrock vs. Le
03.29.08

Josh Thomson
def.
Gilbert Melendez
Decision (unanimous) @ 5:00 of R5
Strikeforce: Melendez vs. Thomson
06.27.08

Josh Thomson is unable to defend the Strikeforce lightweight championship after sustaining an injury.

Gilbert Melendez and Rodrigo Damm compete for the interim Strikeforce lightweight championship.

Gilbert Melendez
def.
Rodrigo Damm
Knockout (punches) @ 2:02 of R2
Strikeforce: Shamrock vs. Diaz
04.11.09

def.
Mitsuhiro Ishida
TKO (punches) @ 3:56 of R3
Strikeforce: Carano vs. Cyborg
08.15.09

Josh Thomson is able to defend the Strikeforce lightweight championship after returning from injury.

Josh Thomson and Gilbert Melendez compete for the undisputed Strikeforce lightweight championship.

Gilbert Melendez
def.
Josh Thomson
Decision (unanimous) @ 5:00 of R5
Strikeforce: Evolution
12.19.09

def.
Shinya Aoki
Decision (unanimous) @ 5:00 of R5
Strikeforce: Nashville
04.17.10
def.
Tatsuya Kawajiri
TKO (elbows) @ 3:14 of R1
Strikeforce: Diaz vs. Daley
04.09.11
def.
Jorge Masvidal
Decision (unanimous) @ 5:00 of R5
Strikeforce: Melendez vs. Masvidal
12.17.11
def.
Josh Thomson
Decision (split) @ 5:00 of R5
Strikeforce: Barnett vs. Cormier
05.19.12

Strikeforce ceases operations and folds on January 13, 2013 after being purchased by UFC parent company Zuffa and ultimately merged with the UFC.