I remember reading somewhere it was 4.5 seconds, but in the days when Jim brown played the 40 yard dash wasn't really a standard measurement of a players speed like it is today, and players times also weren't published as they are now. The thing to remember is that Jim Brown didn't really rely on speed, his strength was in, his physical strength and his ability to break tackles.
He run on USA all american final in 1958 and that time was 10.13!
Jim browns football number was 32
Jim Browns rookie years was 1957
As of the 2007 season: Jim Brown, who played with the Browns between 1957-1965, is the Browns all time leader in rushing yardage with 12,312.
The Cleveland Browns.
32 for the Browns and 44 at Syracuse.
9.8 seconds
Jim Brown was drafted by the Cleveland Browns in the 1957 NFL Draft.
NO
Jim Brown's college major was health science.
Jim Dray plays for the Cleveland Browns.
80 thousand