Chris Rainey works out for the Chiefs, runs in the low 4.3s

The Steelers drafted running back Chris Rainey in 2012.  After a couple of run-ins with the law, the Steelers cut him. He has since been ignored by all other NFL teams. On Monday, he wasn’t.  Per multiple league sources, the Chiefs worked out Rainey on Monday.  Though he ran the 40-yard dash in the low…