He went 3–0 with a 2.20 earned run average for the Baltimore Orioles in 1896 and then won two games in the Temple Cup series.
He had his best season in 1897 when he posted career-highs in wins (24), strikeouts (149), ERA (3.11), starts (37), complete games (34) and innings pitched (313.0).
However, Corbett had gotten angry over a dispute with manager Ned Hanlon, and he refused to report to the team the following season.
Hanlon welched on a bet and refused to buy Corbett a new suit for winning 20 games.
[4] For the next five years, Corbett was a sportswriter for the San Francisco Call and pitched semi-professional ball.