Nov 8, 2009; Foxborough, MA, USA; Miami Dolphins running back Ronnie Brown (23) is tackled by New England Patriots linebacker Jerod Mayo (51) during the forth quarter at...

Miami Dolphins' Ronnie Brown is helped off the field with an ankle injury during third quarter NFL football action in...

15 November 2009: Miami Dolphins running back Ronnie Brown (23) clutches his foot after sustaining a season ending injury against the Tampa Bay Buccaneers in...

Miami Dolphins' Ronnie Brown, center, is helped off the field with an ankle injury during third-quarter NFL football action...

Nov 15, 2009; Miami, FL, USA; Miami Dolphins running back Ronnie Brown (23) sprints past Tampa Bay Buccaneers linebacker Barrett Ruud (51) during the first quarter at Land...

Miami Dolphins' Ronnie Brown, center, is helped off the field with an ankle injury during third-quarter NFL football action...

Oct 25, 2009; Miami, FL, USA; Miami Dolphins running back Ronnie Brown (23) breaks away from a tackle from New Orleans Saints defensive end Charles Grant (94) during...

FOXBOROUGH, MA - SEPTEMBER 21: Ronnie Brown #23 of the Miami Dolphins runs over Ellis Hobbs #27 of the New England Patriots to...

Sept. 14, 2008; Glendale, AZ, USA; Miami Dolphins running back (23) Ronnie Brown with running back (34) Ricky Williams against the Arizona Cardinals at University of Phoenix Stadium. Arizona...

MIAMI, FL - NOVEMBER 23: Ronnie Brown #23 of the Miami Dolphins carries the ball and breaks free from Ellis Hobbs #27 of...

Miami Dolphins running back Ronnie Brown (23) runs with the ball as New York Jets cornerback Donald Strickland (27) during the first...

MIAMI - SEPTEMBER 21: Running back Ronnie Brown #23 of the Miami Dolphins takes a snap in the wildcat formation as running back Ricky...

...Miami, FL, USA; Miami Dolphins running back Ricky Williams (34) celebrates his touchdown with running back Ronnie Brown (23) in the first quarter against the New Orleans Saints at Land Shark Stadium. Mandatory Credit...

Miami Dolphins running back Ronnie Brown (23) prepares for the snap while running a wildcat play during the second quarter of an...

MIAMI - OCTOBER 05: Running back Ronnie Brown #23 of the Miami Dolphins takes a direct snap in the Dolphins' 'Wildcat' play against the...