The recovery from myocarditis due to a viral infection is usually rapid and the heart reverts to normal rhythm. Serious myocarditis can lead to heart failure. Pericarditis is inflammation that affects the inner and outer membranes that surround the heart.
When Wilson had his tryout with the Baltimore Black Sox, he earned the nickname Boojum because of the sound his line drives made when they hit the fence during batting practice.
Jack Roosevelt Robinson or Jackie Robinson as he is known was the first black person who was allowed to play in the Major League Baseball. This happened in 1947 when he debuted with the Brooklyn Dodgers as one of their players. Before that, a black person was only allowed to play in the Negroes Leagues.