With that, here are the fastest 40-yard dash runs in NFL combine history ... Also in the 1980s, Bo Jackson claimed he ran a 4.13 40-yard dash at a regional combine in 1986. Eva Geitheim is ...

Former Heisman-winning tailback and College Football Hall of Famer Bo Jackson says his renowned record-setting time of 4.12 seconds in the 40-yard dash ... still holds the fastest time all-time ...

J.J. Watt, Chris Johnson, and Bo Jackson show what it means to be a ... Johnson held the record for the fastest 40 until Washington wideout John Ross broke it in 2017. Watt had one of the top ...