According to ESPN’s Jeremy Fowler, Indianapolis Colts free agent running back Marlon Mack is progressing well in his ongoing rehabilitation and is expected to be a full go for training camp—wherever that may be:
Free agent RB Marlon Mack, who rushed for 1,999 yards and 17 touchdowns over two seasons with #Colts before an Achilles tear Sept. 13, is progressing well in his rehab and plans to be a full go for training camp somewhere, per source. He will test free agency.