Frost has layered baseball diamonds across the country. The holidays are the darkest times for baseball junkies, with the World Series miles in the rearview mirror and Spring Training too far away. Luckily at RotoBaller, we try to match the flurry of real front office activity with ample offseason fantasy content of our own.Exit velocity has become mainstream for this generation of baseball. We discussed it last season to evaluate rising and falling starting pitchers. With a caveat. [...]