In 2021 only Allen, Davis, Diggs, McKenzie and (you guessed it) Singletary made NextGen stats faastest ballcarrier of the week. After McKenzie, Singletary had the fastest carry by a Buffalo player in 2021. Just saying. I would also add that at least two different episodes of "Angry Runs" last year would argue that Motor shouldn't be underestimated as far as running over and through people.
https://nextgenstats.nfl.com/stats/top-plays/fastest-ball-carriers/2021/REG/2