Crawford, Kirby shine in Mariners’ walk-off win over Astros

Crawford, Kirby shine in Mariners’ walk-off win over Astros  MLB.comMariners make diamonds under pressure, secure victory in extras over Astros  Lookout LandingHouston Astros: Justin Verlander’s gem wasted in 10-inning loss  Houston Chronicle Mariners use chaos ball in 8th, rally for 2nd straight win over Astros  The Seattle TimesMariners seek four-game sweep vs…