re: Is next season Darvish's last with the Rangers?

How often do mega contracts with pitchers work out? The only big pitching contract that has ended up working out is Cole Hamels. There are a few other deals with promising early returns such as Kershaw and Tanaka but it's still too early to call those contracts success stories. Every other contract has been a bust from C.C. Sabathia to Johan Santana to Matt Cain to Cliff Lee and so on.