Yastrzemski isn't starting Saturday against the Cubs, Alex Pavlovic of NBC Sports Bay Area reports.

EDGE Analysis

Yastrzemski started the last three games and went 1-for-9 with a run, a walk and two strikeouts. Although Thursday's start came against a left-handed pitcher, he'll get a day off with southpaw Drew Smyly on the mound for the Cubs on Saturday. Austin Slater is starting in center field and batting second.