AP

The 49ers signed Braylon Edwards last week in large part because they have no idea what they are going to get from Michael Crabtree.

The third-year receiver has been walking around training camp with a boot on his injured foot. Matt Maiocco of CSNBayArea.com writes that the coaching staff thinks Crabtree may be “ready” late in the exhibition season, but the staff is likely to hold him out into the regular season.

In the same article, Maiocco points out that Ted Ginn has probably been the most impressive receiver in 49ers camp.

On the downside: Ted Ginn has been the most impressive receiver in 49ers camp.