Rumor: Keyshawn to the Pats?

Could Keyshawn Johnson be signed by the Patriots?  According to an ESPN source, this signing is a possibility.  Belichick and Johnson were very close in New York, but signing another receiver would be absolutely ridiculous.  I thought I’d throw this out there even though the probability of this happening is equal to faith I have that the Celtics will win one of the top two picks in the lottery next Tuesday.