Art Donovan, a Hall of Fame...

...defensive lineman (of whom I had never heard), died at age 89. His obit in the Times is so good and so filled with interesting tidbits that you'll just have to read it for yourself.

But I want to draw your attention to the picture that accompanied the piece, above. In case you have any doubts at all that professional football has changed dramatically over the course of its history, just check out those cheerleaders! (And I assume those are cheerleaders.)