Apparently Wallace and Lewis have been best friends since childhood. Rashard Mendenhall is also very close to both of them. Could this be a package deal by bringing all 3 to South Beach? It's very possible. Here's a good article about Wallace and Lewis' friendship.
Point is if money is equal for their services we might have the advantage by selling them on the fact they could all play together. Most of the time the money is equal. It comes down to where the free agents feel comfortable. If we play this right we could score all three.