Robbie Grossman heading to the Athletics' bench on Friday

Oakland Athletics outfielder Robbie Grossman is out of Friday's starting lineup against the Seattle Mariners.

What It Means:

Grossman will sit tonight with Chad Pinder shifting to left field and Stephen Piscotty starting in right.

In 127 at-bats this season, Grossman is hitting .220 with 3 home runs and 14 RBI.