Simpson went 2-for-4 with a double, two runs scored and two stolen bases in Friday's 9-4 win over the Padres.
Diaz went 2-for-5 with a home run and two RBI in Friday's 9-4 win over the Padres.
Sandoval (1-2) took the loss against the Yankees on Friday, allowing one run on three hits and four walks while striking out seven across 5.1 innings.
The Red Sox are expected to activate Whitlock (elbow) from the injured list before one of the games of Saturday's doubleheader against the Yankees, Tim Healey of The Boston Globe reports.
Houck (elbow) will begin a rehab assignment at the Red Sox's complex in Florida on Tuesday, Rob Bradford of WEEI.com reports.
Rutschman (elbow) is back in the lineup for Boston's matchup with the Yankees on Friday.
Palacios is not in the lineup for Friday's contest versus the Padres.
Anthony (finger) was spotted Friday at Polar Park with Triple-A Worcester, Tommy Cassell of the Worcester Telegram & Gazette reports.
Story (sports hernia) remains with Triple-A Worcester on his rehab assignment Friday, Chris Cotillo of MassLive.com reports.
The Red Sox signed Nido to a minor-league contract Thursday, Chris Cotillo of MassLive.com reports.
