Ron Humphrey

Strikeforce Challengers: del Rosario vs. Mahe was a mixed martial arts event held by the Strikeforce. The ninth Challengers episode took place on July 23, 2010, at the Comcast Arena at Everett in Everett, Washington.

Strikeforce Challengers: Woodley vs. Saffiedine was a mixed martial arts event held by the Strikeforce. The thirteenth Challengers episode took place on January 7, 2011 at Nashville Municipal Auditorium in Nashville, Tennessee

Strikeforce: Shamrock vs. Diaz was a mixed martial arts event held by Strikeforce on April 11, 2009 at the HP Pavilion in San Jose, California. It was the first event promoted by Strikeforce after their acquisition of assets from the defunct EliteXC promotion through its parent company ProElite. It aired on the Showtime cable network and online through Strikeforce All Access.Gus Johnson, Mauro Ranallo and Pat Miletich were commentating during the broadcast and Jimmy Lennon Jr. was the ring announcer. The official attendance was announced to be 14,409.

Strikeforce Challengers: Johnson vs. Mahe was a mixed martial arts event held by the Strikeforce. The seventh Challengers episode took place on March 26, 2010, at the Save Mart Center in Fresno, California.[2] The event drew an estimated 316,000 viewers on Showtime.