‘Happy’ Jarred Kelenic, Mariners take on A’s

When Seattle’s Jarred Kelenic hit home runs on three consecutive days at Chicago’s Wrigley Field last month, his teammates came up with a postgame chant.

“Hap-py Jar-red! Hap-py Jar-red!” they sang in unison.

There were a few more stanzas Monday night after Kelenic hit a 455-foot home run in the first inning, sparking Seattle to an 11-2 victory against the Oakland…