Originally Posted by dougdirt
Fernando Rodney threw 3 more innings and gave up 7 fewer runs (in fact, he only gave up 5 all season!) and blew just two saves. He was absolutely on his level. Chapman allowed more than 100% more runs than Rodney did, in fewer innings.
Chapman also struck out 15/9 to Rodney's ~9
ERA would not be used to evaluate a starting pitcher in a discussion like this, I'm not sure why we are using it here.