Brad Keselowski celebrates after winning the NASCAR Sprint Cup Series auto race at New Hampshire Motor Speedway on Sunday, July 13, 2014, in Loudon, N.H. (AP Photo/Jim Cole)

Keselowski sweeps New Hampshire

LOUDON, N.H. (AP) – Brad Keselowski completed a flawless weekend at New Hampshire Motor Speedway and won Sunday under a green-white checkere…