While important, the 40-yard dash could be better

Yes, the 40-yard dash is important to NFL teams.  It’s also important to the NFL; it’s the premiere event of the why-am-I-watching?-because-it’s-on-TV annual non-football football festival in Indianapolis. But what does the 40-yard dash really prove?  It shows straight line speed without pads, while neither chasing nor being chased. As someone mentioned long ago (so long…