The Pats' shipped CB/KR Ellis Hobbs to the Eagles for a pair of 5th round picks. The Pats then traded those picks for a 4th rounder and a 6th rounder (they gave up 137th and 141st and received the 123rd and 198th).
Hobbs impressed as a kickoff returner, but when your #1 CB's most impressive performances are on the kick return, it's a good indicator that something is wrong. The Pats were one of the worst teams against deep passes last year.
And to me, Ellis Hobbs will always be The Guy Who Let Plaxico By: