It's tough to read into how much this will matter once the season starts. There are many in the fantasy world who are saying to stay away from Pierce, probably more when it comes to his dynasty value. Singletary is likely to have a big role in the offense as well, but if he takes away passing down value - that would obviously hurt Pierce. The good news is there isn't a whole lot to worry about fantasy value-wise behind Pierce and Singletary.
DEN RB Mike Boone - Week 14 Fantasy Football Outlook
Week 14 vs. Kansas City Chiefs
Mike Boone had six carries and caught his lone target last week against the Ravens, but he finished with just 26 total yards from scrimmage and saw only 23% of the offensive snaps. Boone is behind Latavius Murray on the depth chart, and this isn't an offense fantasy managers should be clamoring for pieces of. Boone should remain on waivers in most leagues, and really only has value if Murray gets hurt.