Terms of the deal were not disclosed by the team.
In 159 career games, Washington has 458 receptions for 6,954 yards and 44 touchdowns -- and at least 40 catches every season since 2008. He also has 10 receptions for 86 yards in the postseason.
With the Titans in 2011, Washington experienced his most productive season with 74 catches for 1,023 yards and seven touchdowns. Last year in 14 starts for the Texans, he totaled 47 receptions for 658 yards and four touchdowns.
Julian Edelman, Danny Amendola, Aaron Dobson, Chris Harper and Matthew Slater return at receiver in 2016.