Valdez started at second base and went 1-for-2 with a walk and a run scored in Friday's 3-1 win over the White Sox.
Valdez walked and scored on Ceddanne Rafaela's home run in the seventh inning. Valdez, who's started three of the last four games, may begin losing opportunities going forward. The Red Sox plan to reinstate Trevor Story (shoulder) from the 60-day injured list Saturday, and Story will start at shortstop while Rafaela moves to second base.