Watson has also been a member of the Cleveland Browns, Denver Broncos, Philadelphia Eagles, Pittsburgh Steelers, New York Giants, Los Angeles Chargers, and San Diego Fleet.

[2] In 2016, Watson began to open up about his background, talking about his speech impediment, and bullying that occurred due to his lisp.

He talked with a lisp, had an inability to read and found it difficult to understand simple concepts in elementary school, which caused him to be bullied, teased and looked down upon by fellow pupils.

Due to his educational background, he did not receive any scholarship offers coming out of high school, which led him to Azusa Pacific.

[6] After completing his senior season, Watson declared for the NFL draft and received an invitation to the NFLPA Collegiate Bowl.

[9] At the conclusion of the pre-draft process, Watson was projected to be a seventh round pick or priority undrafted free agent by NFL draft experts and scouts.

[10] On May 2, 2015, the Cincinnati Bengals signed Watson to a three-year, $1.58 million contract after he went undrafted in the 2015 NFL draft.

[12] Throughout training camp, Watson competed for a roster spot against BenJarvus Green-Ellis, Rex Burkhead, Cedric Peerman, and James Wilder Jr.[13] On September 5, 2015, the Bengals waived Watson and signed him to their practice squad the following day, where he spent the entire 2015 season.

[17] Throughout training camp, he competed for a roster spot against Glenn Winston, Raheem Mostert, Rajion Neal, and Jahwan Edwards.

[30] Throughout training camp, Watson competed for a roster spot against Fitzgerald Toussaint, Knile Davis, and Trey Williams.

Head coach Mike Tomlin named Watson the third running back on the depth chart behind Le'Veon Bell and James Conner.