Trevor Story, Roman Anthony, Isiah Kiner-Falefa to begin rehab stints

PITTSBURGH — The Red Sox figure to have a much sturdier lineup for the final stretch of the regular season, as three key players — Roman Anthony the most notable among them — will open Minor League rehab assignments in the coming days.

First out of the chute will be veteran Trevor Story, who will play shortstop at Triple-A Worcester on Sunday afternoon, marking his first game action since…