Nick Chubb’s knee repair: the road to rehabbing a running back

CLEVELAND, Ohio — The single word most used to describe the injury to Nick Chubb’s knee is gruesome. The low tackle by Pittsburgh Steelers safety Minkah Fitzpatrick struck Chubb squarely in the left knee, forcing it to bend at a decidedly unnatural angle. Chubb went down and didn’t get up. It is hard to watch the closeup without cringing. The initial big screen replay elicited audible groans from stadium fans. ABC found the images to be so disturbing that the network opted not to show the graphic replay, although it...