Victoria, British Columbia’s Kaufman was crowned the promotion’s 135-pound women’s champion following a commanding unanimous decision win over Takayo Hashi at Strikeforce Challengers 6 last February. The 24-year-old striker carries an unblemished 11-0 pro record with 8 of those victories coming by way of strikes.
Modafferi, who lives and trains in Japan, earned a split decision over the perennial Tara LaRosa at Moosin “God of Martial Arts” on May 21 in Worcester, Mass. The three-round tilt has been regarded as one of the standout female bouts of 2010.
A ShoXC and M-1 Challenge veteran, Del Rosario submitted Brandon Cash with an omoplata at Strikeforce Challengers 4 in November. Mahe lost to returning Lavar Johnson via second-round technical knockout at Strikeforce Challengers 7 in March.
American Kickboxing Academy’s Kyle rides back into the promotion on a four-fight win streak, which includes victories over EliteXC veteran Jon Murphy and Sengoku’s Travis Wuiff. Humphrey submitted George Bush with a first-round guillotine choke at Strikeforce Challengers 7 in Fresno, Calif.
Strikeforce Challengers 9 will air live on Showtime beginning at 11:00 p.m. EST/PST.