Arthur Irwin was a professional baseball player and manager who had a long and successful career in the sport. He played primarily as a shortstop and was known for his strong defensive skills and leadership abilities.

Irwin began his career in the late 1870s, playing for various amateur and semi-professional teams in his home state of New York. In 1880, he signed with the Worcester Ruby Legs of the National League, where he quickly established himself as one of the league's top shortstops.

Over the next several years, Irwin played for a number of different teams, including the Providence Grays, the Philadelphia Phillies, and the Boston Beaneaters. He was a consistent performer both at the plate and in the field, and he was widely respected by his teammates and opponents alike.

In 1890, Irwin was named player-manager of the Washington Senators, a position he held for two seasons. He then moved on to manage the Philadelphia Phillies for several years before returning to the field as a player for the St. Louis Browns in 1895.

Irwin's career came to an end in 1899, when he was released by the Baltimore Orioles. He retired with a lifetime batting average of .266 and a reputation as one of the game's most respected and accomplished players.

In addition to his playing and managing career, Irwin was also involved in the development of baseball equipment. He was credited with inventing the first catcher's chest protector, and he also helped to design a number of other pieces of equipment that are still used in the game today.

Overall, Arthur Irwin was a key figure in the early years of professional baseball. He was a talented player and a respected leader, and his contributions to the sport both on and off the field helped to shape the game as we know it today.