Former Strikeforce women’s bantamweight titleholder Sarah Kaufman makes her long awaited UFC debut against Olympic medalist Sara McMann on Aug. 28 on the second UFC on Fox Sports 1 fight card in Indianapolis. UFC Tonight made the fight announcement on Tuesday. Kaufman (16-2) has only been defeated by current UFC bantamweight champion Ronda Rousey and women’s featherweight contender Marloes Coenen . She is coming off a split decision win over Leslie Smith at Invicta FC 5 on April 5. McMann (7-0) is undefeated and made her UFC debut at UFC 159 on April 27 with technical knockout win over Sheila Gaff becoming the third female fighter to win inside the famed Octagon. The UFC on FS1 2 card is quickly growing with two more fight announcements being made on Tuesday via Twitter