U.S. Lightweight: 146-155 lbs.

Josh Thomson and Nam Phan compete for the Strikeforce U.S. lightweight championship.

Josh Thomson
Nam Phan
Decision (unanimous) @ 5:00 of R3
Strikeforce: Triple Threat

Nick Gonzalez
Submission (rear-naked choke) @ 1:42 of R1
Strikeforce: Shamrock vs. Baroni

Josh Thomson vacates the Strikeforce U.S. lightweight championship in order to compete for the Strikeforce world lightweight championship.

Strikeforce chooses to dissolve the Strikeforce U.S. lightweight championship.

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