(Michael Conroy, Associated Press)
CLEVELAND, Ohio – The NFL Combine begins Wednesday at Lucas Oil Stadium in Indianapolis with on-field workouts set for Friday through Monday.
More than 300 prospects will participate, and here are some unofficial combine workout records. The league does not keep records, but NFL.com recognizes a few.
40-yard dash: Chris Johnson, East Carolina, 2008 – 4.24 seconds
It's important to note Bo Jackson was clocked at 4.12 in 1986, but the combine did not use electronic timing until 1999. The Tennessee Titans took Johnson with the No.