Recovering from a case of diphtheria contracted before the season, Christy Mathewson makes his first appearance of the year for the New York Giants. He pitches seven solid innings against the Boston Beaneaters, allowing seven hits before being relieved by Joe McGinnity, who allows three runs in the 9th inning to turn a 4 – 3 lead into a 6 – 4 defeat.

On May 5, 1906 — Recovering from a case of diphtheria contracted before the season, Christy Mathewson makes his first appearance of the year for the New York Giants. He pitches seven solid innings against the Boston Beaneaters, allowing seven hits before being relieved by Joe McGinnity, who allows three runs in the 9th inning to turn a 4 – 3 lead into a 6 – 4 defeat.

Source:
Baseball Reference May 5