(Reuters) - South African Branden Grace, Cameron Smith of Australia and Ireland's Shane Lowry have accepted special temporary membership for the remainder of the 2014-15 PGA Tour season, the tour said on Monday. Both Grace and Smith tied for fourth at the U.S. Open, while Lowry tied for ninth. Special temporary members are not eligible for the FedExCup playoffs, but can become regular PGA Tour members by winning an official event during the season and would then have their FedExCup points counted and be eligible for the playoffs. More...