In blowout win, Ian Happ, Pedro Ramirez become third Cubs duo to hit grand slams in same game

SEATTLE — Cubs left fielder Ian Happ had a chance to join a mighty exclusive baseball fraternity. Only 13 players in major-league history have hit two grand slams in the same game, and after Happ banged his first off the foul pole in the third inning Sunday, he strolled to the plate with the bases loaded again in the eighth. He drew a walk instead of becoming the newest member of the club. Two batters later, however, infielder Pedro Ramirez shot himself and Happ into the franchise record book…