<a href="http://withleather.uproxx.com/2012/12/whos-on-first-2-or-whats-the-deal-with-baseball-players-names/jerry_seinfeld_whos_on_first" rel="attachment wp-att-100877"></a>From 'Late Night With Jimmy Fallon,' a show that is not afraid to bring on Billy Crystal, put him in some old-timey baseball clothes and have him reenact sports jokes from only 50 years after he was born: Fallon, Crystal, and Seinfeld revisit Abbott & Costello's classic "Who's On First.