Clearly the Nats couldn't use a guy with 11 straight 200 inning seasons, a career ERA of 3.83, FIP of 4.13, and an average of 4.1 WAR since becoming a full time starter.
And when he finally starts performing to what his xFIP says he is, because he has the Nats defense behind him... I'm sure we'll all rejoice.
Question: What does this series of numbers represent?
4.32
5.15
5.76
4.43
4.24
4.78
Answer: Mark Buehrle's strike out rate since 2006.
Is he better than John Lannan? Hell yes he is.
Do the Nats need two John Lannan's? No, they don't.