If Zack Greinke keeps pitching like he has been, he'll leave Charles "Old Hoss" Radbourn in the dust.
Entering play Sunday, Greinke owned a 1.39 ERA, just behind Radbourn for 23rd on the all-time single-season list. After twirling eight shutout frames against the Washington Nationals, Greinke lowered his mark to a minuscule 1.30, moving him past Mordecai "Three Finger" Brown and into a tie with Jack Coombs for 16th place all-time.
If those names sound like a blast from the way-back past, well, that's because they are. Coombs last pitched in 1920, Brown in 1916 and Radbourn in 1891—which says a lot about the historically great season Greinke is having.