Full Name: John Joseph "Rowdy Jack" O'Connor
Height: 5'10" Weight: 170 lbs.
Born: June 2, 1869 in St. Louis, MO
Died: November 14, 1937 in St. Louis, MO
Major League Career: 1887 to 1910
Managerial Debut: April 1910
|Team and League
Games managed (including ties)
Percentage of games won
Manager/Year (The latter number indicates how many managers the team employed that year, while the former indicates the chronological position of the manager [i.e. 1-2 would mean this manager was the first of two managers during that year]).
Expected Wins. Calculated for the team based on its actual runs scored and allowed. A team that allows exactly as many runs as it scores is predicted to play .500 ball.
Actual Wins Minus Expected Wins (A measure of the extent to which a team outperformed (or underperformed) its talent. (Over time this reflects good/bad managing).
Team's final standing for the season or, in the case of multiple managers, the standings at the time the manager departed.