Re: Kiper 2014
Regarding the Combine, some performances can be difference makers:
For RBs and CBs, 10 & 40 times, shuttle times and vertical leap can move players up and down the draft board.
For LB, DL & OL, 10 yd times and 225 reps can make a difference.
Examples: a 4.2 40 can move an RB to RD1. A 4.3 40 can move CBs up a RD or two and a 40" vertical can do the same.
A sub 1.50 10 yd split can move DE, OLBs in to RD 1 and RBs up in the draft.
OG, OT & DT who lift 225 < 25 times could drop noticeably but 225 > 30 times could enhance their draft position.
Broad Jump measures explosion and those with great performance could move up.
Combine performances do make a difference, for everyone? No. For a few, absolutely. The #1 priority of the Combine is medicals, #2 is interviews and #3 is measurables and performance.