Chicago Cubs at Seattle Mariners

Ian Happ walked for five steps out of the box, his bat still in his right hand, as he watched the flight of the ball he just sent towering over the right-field line. After it caromed off the pole at T-Mobile Park, the Cubs outfielder dropped the lumber and shifted into his trot. Happ’s third-inning grand slam -- immediately following three straight walks by Mariners starter Bryce Miller -- broke things open for the Cubs and sent them well on their way to a 19-2 rout to avoid a sweep in Seattle. It was the first of two slams on the day for the Cubs, who also saw rookie Pedro Ramírez belt one off position player Jhonny Pareda in a nine-run eighth inning. “I think offensively we did a really good job the first couple games of the series,” Happ said. “We scored \[nine runs in those games\