Arizona's Christian Walker resting on Saturday

Arizona Diamondbacks first baseman Christian Walker is not starting in Saturday's lineup against the San Francisco Giants.

What It Means:

Walker will head to the bench with Jake Lamb moving to first base, Eduardo Escobar shifting to third, and Wilmer Flores at second.

In 405 at-bats this season, Walker is hitting .259 with 21 home runs and 55 RBI.