Chicago White Sox pitcher Philip Humber became the 21st pitcher in Major League Baseball history to throw a perfect game. He retired all 27 batters who faced him. Congratulations to Humber! What an accomplishment.

https://twitter.com/#!/Nick_Papp/status/193831842368073728

https://twitter.com/#!/EricCookmeyer/status/193832492678119426

https://twitter.com/#!/dlockbaum/status/193832334762586112

Here is what’s even more impressive.

https://twitter.com/#!/Crowfosho/status/193834726933536768

https://twitter.com/#!/JD_Melendez15/status/193832155154096128

https://twitter.com/#!/REALtPIERCE/status/193832683602845696

https://twitter.com/#!/JoseGutierrezJr/status/193832652271398912

https://twitter.com/#!/McCarthy2123/status/193832814028931073

https://twitter.com/#!/darrenrovell/status/193833628051050496

https://twitter.com/#!/thegrammarnazi/status/193833607930974208

https://twitter.com/#!/NickNastY085/status/193833592101666818

The last perfect game was thrown by Roy Halladay of the Philadelphia Phillies on May 29, 2010.