The UFC’s September trip to Brazil continues to grow at a rapid pace, this time with the addition of a welterweight bout. Keith Wisniewski (28-14-1 MMA, 0-3 UFC) will return after more than 16 months on the sideline to take on Marcelo Guimares (8-1-1 MMA, 1-1 UFC) at UFC on FOX Sports 1 3. Sources close to the fighting booking confirmed the matchup to MMAjunkie.com (www.mmajunkie.com) following an initial report from UOL Esporte . UFC officials also made the fight official Saturday afternoon. UFC on FOX Sports 1 3 takes place Sept. 4 at Estadio Jornalista Felipe Drumond in Belo Horizonte, Brazil.