Over the last couple of weeks, the St. Louis Cardinals have been connected to Detroit Tigers outfielder, J.D. Martinez. However, there are many people beginning to compare Magneuris Sierra to Martinez. The argument is that Sierra saves runs and Martinez scores them.
It comes down to which one is better. This is an argument only a sabermetric baseball mind can have. You can go through certain statcast numbers to compare the two players.
Sabermetrics can do a lot of good for the game of baseball, but sometimes it is just silly.