Miami Dolphins' running back Marcus Thigpen practices during NFL football training camp in Davie, Fla., Monday, Aug. 13, 2012. (AP Photo/Alan Diaz)

Miami Dolphins' Reggie Bush (22) and Tyrone Culver (29) practice during NFL football training camp in Davie, Fla., Monday, Aug. 13, 2012. (AP Photo/Alan Diaz)

Miami Dolphins' Marcus Brown practices during NFL football training camp in Davie, Fla., Monday, Aug. 13, 2012. (AP Photo/Alan Diaz)

Miami Dolphins head coach Joe Philbin talks to reporters during a news conference after NFL football training camp in Davie, Fla., Monday, Aug. 13, 2012. (AP Photo/Alan Diaz)

Miami Dolphins' Legedu Naanee practices during NFL football training camp in Davie, Fla., Monday, Aug. 13, 2012. (AP Photo/Alan Diaz)

Miami Dolphins' Roberto Wallace practices during NFL football training camp in Davie, Fla., Monday, Aug. 13, 2012. (AP Photo/Alan Diaz)

Miami Dolphins' Julius Pruitt practices during NFL football training camp in Davie, Fla., Monday, Aug. 13, 2012. (AP Photo/Alan Diaz)

Miami Dolphins quarterback Ryan Tannehill practices during NFL football training camp in Davie, Fla., Monday, Aug. 13, 2012. (AP Photo/Alan Diaz)

Miami Dolphins quarterback Matt Moore practices during NFL football training camp in Davie, Fla., Monday, Aug. 13, 2012. (AP Photo/Alan Diaz)

Miami Dolphins' Jonathan Freeny practices during NFL football training camp in Davie, Fla., Monday, Aug. 13, 2012. (AP Photo/Alan Diaz)