The Yankees have had a decent amount of rotation changes from 2014 and on. One of the few constants, however, has been the presence of Masahiro Tanaka. Since signing with the Yankees in January 2014, you could count on Tanaka being in the rotation and turning in a solid season. In five seasons as a Yankee, Tanaka has compiled a 15.5 fWAR in 132 games started, which averages out to roughly ~3.1 fWAR season in 27 starts. He’s a type of pitcher that any team would want in their rotation.
2018 was no different. In 27 starts, Tanaka had a 12-6 record with a 3.