The Chicago Bears moving on from Bryce Callahan was almost strictly salary cap related. However, they found a replacement in Buster Skrine, who is a similar size and frame to their old slot cornerback. The team is hoping that after coaching Callahan up from a UDFA to a star slot corner that they can do similar with Skrine.
Of course an obvious question with Skrine has to be why does he come so much cheaper than Bryce Callahan? To start he is two years older. On top of that, even with Callahan having injuries Skrine has missed eight starts in the past three seasons as well.