The receiver had taken paycuts in each of the last three seasons, and it looks like he chose to cash-in this offseason.
Free agents can not officially sign with teams until NFL Free Agency begins on Wednesday at 4pm, but this news will certainly be hard to take for New England fans.
The Dolphins traded slot receiver Jarvis Landry to the Browns this past week.
Once Julian Edelman suffered an ACL season, the Patriots relied upon Amendola to help pick up the slack. Kenny Stills and DeVante Parker were expected to start, and Jakeem Grant proved he had big-play ability in the second half of the season.