PHOENIX -- Starling Marte is headed to Indianapolis and a rehab assignment that could have him back in the Pirates' outfield within a week.
On the concussion list since July 23, Marte will follow a detailed agenda with the Triple-A Indians that calls for him to get 16-20 at-bats through Tuesday, after which his situation will be reassessed.
Marte accompanied the club here from San Francisco, then detoured to Pittsburgh, delaying his first rehab game until Saturday.
According to manager Clint Hurdle, Marte is due to have four at-bats on Saturday, play a full nine innings in left field each of the next two games, then serve as the DH on Tuesday.
"Then we'll re-evaluate where he is," Hurdle said.
Marte wound up on the concussion list five days after taking a fastball on the helmet from Colorado right-hander Adam Ottavino on July 18, in the first game coming out of the All-Star break.
Tom Singer is a reporter for MLB.com and writes an MLBlog Change for a Nickel. He can also be found on Twitter @Tom_Singer. This story was not subject to the approval of Major League Baseball or its clubs.