After playing for the San Diego Chargers for nine years, Rodney Harrison joined the New England Patriots in 2003, bringing a veteran presence and a hungry attitude to what was already a great team.
As of this writing, Devin McCourty has played twelve seasons in the NFL, all of which in a Patriots uniform.
Playing at the University of South Carolina, Tom Addison was drafted by the Baltimore Colts and the Ottawa Rough Riders of the Canadian Football League in 1958, but he never played for either team. He would sign with the Boston Patriots of the American Football League in 1960, a club where he would become a leader on and off the field.
After four seasons flying under the radar with the Pittsburgh Steelers, Mike Vrabel signed as a Free Agent in 2001 with the New England Patriots. The move likely was noticed by only the most diehard Pats fans, but as it turned out, the signing was a steal.