Washington played a major special teams role for the Lions but missed the final three games of the season with a hamstring injury. The Fresno State product -- who turns 26 March 10 -- was an exclusive rights free agent and did not play a defensive snap in 2018.
Washington (hamstring) was placed on injured reserve Saturday.
Washington hadn't practiced since sustaining the hamstring injury Week 14 against Arizona and will finish the season without playing a defensive snap. Cornerback Dee Virgin was promoted from the Lions' practice squad for added secondary and special teams depth.
Washington (hamstring) won't play in Sunday's game versus the Bills, Dave Birkett of the Detroit Free Press reports.
Washington has suited up for 29 straight games dating back to the beginning of the 2017 season, but the streak will end this week. His absence will be felt on special teams, as he hasn't played a snap on defense this year.