A bantamweight bout – and the first female fight in UFC-Brazil history – between promotional newcomer Amanda Nunes (7-3 MMA, 0-0 UFC) and Sheila Gaff (10-5-1 MMA, 0-1 UFC) is the latest addition to August’s UFC 163 event in Brazil. MMAjunkie.com (www.mmajunkie.com) confirmed the bout with UFC officials following an initial report from Globo . UFC 163 takes place Aug. 3 at HSBC Arena in Rio de Janeiro. The main card airs on pay-per-view following prelims on FX and Facebook.