Diggs signed a three-year deal with the team last March. By releasing him, the Patriots free up $16.8 million in salary-cap money. Free agency is set to begin Monday. The Patriots plan to release wide receiver Stefon Diggs, a league source confirmed Wednesday. The news comes in the lead-up to the start of free agency, in which the Patriots could pursue an upgrade at the position. Potential targets include Mike Eva... [2832 chars]