UFC Fight Night: Shogun vs. Sonnen (also known as UFC Fight Night 26) was a mixed martial arts event held on August 17, 2013, at the TD Garden in Boston.

[3][4] The main event was contested between former UFC Light Heavyweight Champion Maurício Rua and Chael Sonnen.

Visa issues prevented Sonnen from getting into Canada, resulting in Rua being pulled from the event altogether.

[6] Nick Ring was expected to face Uriah Hall at the event.

However, Ring was pulled from the bout and was replaced by Josh Samman[7] Samman was subsequently forced from the bout and was replaced by returning UFC fighter John Howard.