A long-anticipated move to the welterweight division has arrived for “The Ultimate Fighter 17″ winner Kelvin Gastelum (6-0 MMA, 1-0 UFC), who is set to meet veteran Paulo Thiago (15-5 MMA, 5-5 UFC) at UFC on FOX Sports 1 2. Today via Twitter , Gastelum confirmed a report from the combat-sports website of Brazilian network Globo TV . MMAjunkie.com (www.mmajunkie.com) was unable to confirm the matchup with promotion officials. UFC on FOX Sports 1 2 takes place Aug. 28 at Bankers Life Fieldhouse in Indianapolis. The event’s main card airs live on FOX Sports 1; broadcast plans for the preliminary card haven’t been announced. Picked last on “TUF 17,” Gastelum outwrestled and outworked four straight middleweight opponents to earn a spot in the tournament final at The Ultimate Fighter 17 Finale. There, he pulled off a major upset by outpointing show favorite Urijah Hall to win the reality show