[1] Initially a pitcher, by 1911 he had converted to an outfielder and was signed by the Youngstown Steelmen of the Ohio-Pennsylvania League.

[3] Humphrey made his major league debut in the second game of a doubleheader against Boston on 1 September, in which he hit a single off the first pitch he received.

[7] In 1935, he was promoted to head of the Ohio Liquor Department's enforcement division following the dismissal and death of his predecessor, Edmond G.

One inspector was found by an Ohio Senate investigation to have illegally sold liquor on commission while working for the department.

[12] Humphrey was subsequently dismissed from his position in early 1939, and the staffing of the liquor enforcement division was cut in half.