A pair of welterweights have agreed to battle at UFC On Fuel TV IV as Dan Stittgen will see action against Marcelo Guimaraes. Stittgen is currently winless in UFC competition, having suffered a knockout loss to Stephen Thompson at UFC 143. Guimaraes is an undefeated fighter who has won his last six fights in the Jungle Fight promotion out of Brazil. UFC On Fuel TV IV takes place on July 11th at the HP Pavilion in San Jose, California with Mark Munoz and Chris Weidman headlining.