Roy Patterson was a professional baseball pitcher who played in Major League Baseball (MLB) primarily for the Chicago White Sox. His career spanned the early 20th century, marking him as a significant player during the formative years of the American League. Patterson's major league debut was notable, as he was the starting pitcher for the White Sox in their first American League game in 1901, a testament to his skill and the trust placed in him by the team.

Throughout his career, Patterson was known for his pitching prowess, contributing significantly to his teams' performances. He had a right-handed throw and bat, which was standard for pitchers of his era. Over the course of his MLB career, Patterson compiled a win-loss record that reflected his contributions on the mound, including complete games and shutouts, which were more common in his era due to different pitching usage patterns compared to modern baseball.

Patterson's playing style and effectiveness as a pitcher were characterized by his era's standards, where pitchers often had more complete games and innings pitched than what is typical in today's game. This workload underscores his durability and importance to his team's pitching rotation. Despite the rigorous demands of pitching during this period, Patterson managed to maintain a level of performance that kept him in the major leagues for several years.

After his time with the Chicago White Sox, Patterson's career saw him move to other teams, reflecting the common practice of player movement in early professional baseball, either through trades or changes in team affiliations. His career after leaving the White Sox continued at a professional level, although the latter part of his career did not have the same level of impact as his initial years with the White Sox.

Roy Patterson's contributions to baseball during his career were part of the broader history of the early American League and the sport's development during the 20th century. His role as a starting pitcher in the first game of the Chicago White Sox in the American League is a historical footnote that highlights his significance during this period. After retiring from playing, Patterson, like many athletes of his time, faded from the public spotlight, with his legacy living on through baseball history and records.

In summary, Roy Patterson's baseball career is marked by his role as a key pitcher for the Chicago White Sox during the early 1900s, his participation in the inaugural game of the American League for his team, and his overall contributions to the sport during a time of growth and change. His career statistics and achievements reflect the standards and practices of baseball in his era, providing a snapshot of the life of a professional baseball pitcher in the early 20th century.