San Diego and Oakland After starting the 1890 season with San Diego, Dungan joined the
Oakland Colonels in March 1890. Oakland manager T.P. Robinson said at the time, "I believe Dungan is the best hitter we've ever had here." After one of his first games with the club,
The San Francisco Call described him as "a great outfielder" and "a vicious hitter". He finished the season with a .332
batting average, 174 hits, 159 runs scored, and 65 stolen bases in 533 at bats. He was the batting champion of the
California League with an average 17 points higher than any other player.
Milwaukee and Omaha Dungan began the 1891 season with the
Milwaukee Brewers of the
Western League. In late July, the Omaha club was reorganized, and each team in the league was required to release a number of players to the Omaha club. Milwaukee released Dungan to Omaha.
Chicago In 1892, Dungan made it to the major leagues with
Cap Anson's
Chicago Colts of the
National League. He appeared in 113 games as an outfielder for the
1892 Colts and compiled a .284 batting average with 19 doubles, seven triples, and 15 stolen bases. Dungan appeared in only 10 games for the Colts in 1894, as his batting average dropped to .231 in 46 plate appearances. During the 1894 season, Dungan compiled a .447 batting average for Detroit, 76 points higher than the second best hitter on the club. Dungan remained with the Detroit baseball club for six years from 1894 to 1899 and appeared in every game played by the club from 1895 to 1899. 1897 (.372), and finished second in 1894, third in 1895, sixth in 1897, and fourth in 1898. Though generally not considered to be a great defensive outfielder, he also led all outfielders in the league with 42
assists in 1896. MacQuisten withdrew the criminal charges two days later.
Chicago and Kansas City Dungan returned to Chicago briefly in 1900, appearing in six games and compiling a .267 batting average. Dungan played first base appeared in 112 games for Kansas City during the 1900 season. He is remembered as the first American League batting champion. In 1902, Dungan reportedly discovered
Gavvy Cravath while playing a game of Sunday ball in Southern California. Dungan set up a tryout for Cravath with Jim Morley of the
Los Angeles Angels. Cravath went on to lead the
National League six times in RBIs. Dungan announced his retirement from baseball in January 1906 at age 39. Dungan later recalled: "I was fed up on baseball although I had one of my best years in 1905. I made up my mind I didn't want to follow the game indefinitely, limping from one place to another as my ability declined. And I had no managerial aspirations. So I just up and quit." ==Family and later years==