I understand the 3 offensive linemen, but working out 3 wide receivers could mean the Dolphins are not totally happy about their #4 or #5 receivers.
NFL Post wrote:
Source: Dolphins try out three receivers, three linemenhttp://www.nationalfootballpost.com/Sou ... nemen.html
The Miami Dolphins tried out six players, including the son of Hall of Fame Washington Redskins cornerback Darrell Green.
Jared Green, a former Southern University wide receiver, tried out for the Dolphins on Friday.
The Dolphins also worked out former Buffalo Bills wide receiver Da'Rick Rogers and former Bethune-Cookman wide receiver K.J. Stroud.
The Dolphins worked out three linemen: defensive tackle Al Lapuaho and offensive tackle Nic Purcell
Purcell and Jason Weaver.
None of the players were immediately signed to a contract.