John Dillon was a position player who made a brief appearance in Major League Baseball during the 1875 season. His career, which spanned just a single day on May 8, 1875, culminated in one game played for the Philadelphia White Stockings. Unfortunately, Dillon did not record any hits, runs, or RBIs, resulting in a batting average of .0 for his lone game in the league.
Dillon's career came during a formative period in baseball history, as the game was evolving from its early, more primitive forms into a more structured and popular sport. The 1870s were marked by the establishment of professional teams and the growing fanbase that would lay the groundwork for modern baseball. Despite his fleeting presence in the major leagues, John Dillon's participation reflects the era's experimentation with player rosters and the challenges of sustaining a long-term career in a rapidly changing sport.