The Phillies placed Marchan on the 10-day injured list Thursday with lower-back pain.
Phillies manager Rob Thomson said Friday that Marchan is battling through some lower-back discomfort, Scott Lauber of The Philadelphia Inquirer reports.
Philadelphia activated Marchan (hand/wrist) from the 60-day injured list Tuesday and optioned him to Triple-A Lehigh Valley.
Marchan (hand/wrist) is beginning a rehab assignment Tuesday with Single-A Clearwater.
Marchan (hand/wrist) is on track to begin a minor-league rehab assignment Sunday, Corey Seidman of NBC Sports Philadelphia reports.
Marchan (hand/wrist) was placed on the 60-day injured list Thursday.
Marchan is nursing a bruised right hamate bone in Phillies camp, Matt Gelb of The Athletic reports.
Marchan was optioned to Triple-A Lehigh Valley after Wednesday's loss to the Blue Jays.
Marchan was recalled from Triple-A Lehigh Valley on Tuesday.
The Phillies activated Marchan (hamstring) from the 60-day injured list and optioned him to Triple-A Lehigh Valley on Monday, Todd Zolecki of MLB.com reports.