McCall (13-4-1) is currently ranked no. 3 in the UFC 125-pound rankings. The 30-year-old California native is on a two-fight winning streak. He last competed on July 19, defeating Brad Pickett by unanimous decision at UFC Fight Night 46.
Lineker (24-7) is ranked no. 6 in the UFC’s flyweight division. The 24-year-old Brazilian last completed on July 16, defeating Alptekin Ozkilic by knockout at UFC Fight Night 45.