WATCH: Seattle Mariners Net Baserunner, Run Due to Infield Positioning Challenge

There’s an old saying: go to the ballpark, and you’re going to see something new. The fans at Kauffman Stadium certainly saw that novelty in the top of the eighth inning on Thursday afternoon, as the visiting Mariners put together a miniature rally with a first-of-its-kind challenge against the positioning of Kansas City second baseman Michael Massey.