Smith, who played at San Jose State, was signed by the Cowboys as an undrafted free agent linebacker in 2014.
Story: Keith Smith makes fullbacks great again
At the end of the 2015 season, he converted to a fullback based on his work with the scout team.
He earned the starting position for the Cowboys for the 2016 and 2017 seasons.
Smith signed with the Raiders on March 15, 2018 as a restricted free agent. In four seasons as a fullback, Smith has rushed eight times for 13 yards and caught 14 receptions for 82 yards.
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