Pittsburgh Press, February 6, 1913:

It is doubtful if it has ever happened before that a ball player coming to the major leagues has to put in his winter months studying the English language so that he can make himself understood to his manager. This, however, is what Jacinto Calvo, the Cuban outfielder signed by Manager Griffith, of Washington, is doing.

Griff received a letter from Cuba telling him that Calvo is taking lessons in English, that he is making rapid progress, and by the time he ...