tweet: Here's a list of starting pitchers to post a sub-2.00 ERA &amp; sub-0.900 WHIP over a 100-game span since the ER became official in both leagues in 1913:  Walter Johnson Sandy Koufax Clayton Kershaw Jacob deGrom  @Metsmerized @PitchingNinja #Mets  https://t.co/ErWYDBcrWM