Recent Ultimate Fighter winner Kelvin Gastelum will move from middleweight to welterweight in August, agreeing to take on Paulo Thiago at UFC on FS1 2.

The bout, along with James Head vs. Bobby Voelker, was announced by UFC officials during a whirl-wind match-announcing spree. The card takes place August 28 from Indianapolis, with Martin Kampmann-Carlos Condit serving as the main event.

Gastelum (6-0) stunned Uriah Hall in the finals of TUF, earning a decision victory. Thiago (15-5) has gone 5-5 in his 10 UFC bouts, including a win over Michel Prazeres recently.

Head (9-3) is planning to donate his entire fight purse to the victims of Oklahoma who were hit by the recent tornado. He has gone 2-2 in his UFC run, while Voelker (24-9) fell to Patrick Cote earlier this year.