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					Originally Posted by rats60  ERA Matty 2.13 WaJo 2.17FIP Matty 2.26 WaJo 2.38
 WHIP Matty 1.058 WaJo 1.061
 Wins WaJo 417 Matty 373
 ShO WaJo 110 Matty 79 + 4 WS
 Ks WaJo 3509 Matty 2507
 ERA+ WaJo 147 Matty 136
 
 Postseason
 ERA Matty 0.97 WaJo 2.52
 WHIP Matty 0.836 WaJo 1.42
 
 Hall of Fame Vote
 Matty 90.7%
 WaJo 83.6%
 
 I give Johnson a slight advantage, but Mathewson's postseason dominance, especially his 3 shutouts in the 1905 World Series make it close.
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I think it should be taken into consideration that Matty's great 3 shutout WS performance happened in 1905, near the beginning of his career, and Walter's WS opportunities were in 1924-25, at the tail end of his career.
Early days, clearly Young. 
1901-1925 I put Walter at the top, without question, then Alexander, then Matty. Alex pitched in a tiny ballpark for a generally weak team.  Matty pitched in the Polo Grounds for a powerhouse.  Both won 373 games.  
Grove, Spahn, and others come into the conversation later.