We see it every year. A player who has been good during the course of his career has a down year or a breakout year. It happens. Last year, it was Eric Hosmer, Kris Bryant (for his standards), and Jake Arrieta who underperformed. Who will it be this year? No one can know for sure, but I will definitely give my input (with the help of other members of the Scorecrow team).
What do Billy Jean King, Larry Bird,Victor Martinez, and Kenley Jansen all have in common? They are all members of a growing list of athletes who have been treated for cardiac arrhythmias or irregular heartbeats. The most common arrhythmia in athletes and the general population is Atrial Fibrillation (AFib).