Chicago Cubs' David Ross, right, scores past Seattle Mariners catcher Chris Iannetta on a single by Chris Coghlan as Iannetta tries to get Chris Coghlan at second during the second inning of a baseball game Friday, July 29, 2016, in Chicago. Javier Baez also scored on the play. (AP Photo/Charles Rex Arbogast)

Lester and the Cubs rout Mariners

Seattle lost in its first trip to Wrigley Field since 2007. The Mariners let infielder Luis Sardinas pitch the eighth, and he threw a perfec…