Darrius Heyward-Bey leaves Indy without a contract

It’s on to Detroit for wide receiver Darrius Heyward-Bey. Heyward-Bey visited the Colts on Tuesday, but Phillip B. Wilson of the Indianapolis Star writes that no one should expect a tweet about a signing from owner Jim Irsay. It seems the prospect of letting him talk to the Lions wasn’t enough for the Colts to…