Jack McKeon, affectionately known as "Trader Jack," is remembered for his extensive career in Major League Baseball as a manager. His journey in the big leagues began with the Kansas City Royals, where he took the helm as manager in 1973. McKeon's tenure with the Royals lasted until 1975, during which he laid the groundwork for the team's future successes. Although his time with Kansas City did not yield a playoff appearance, it was a period of growth and learning for McKeon.

Following his stint with the Royals, McKeon moved on to manage the Oakland Athletics in 1977. His time with the Athletics was brief, lasting only part of the season. Despite the short duration, McKeon continued to build his reputation as a manager who could handle the pressures of leading a team.

In 1988, McKeon took over as manager of the San Diego Padres. This role marked a significant chapter in his career, as he led the Padres to a National League Championship Series appearance in 1984. Under his guidance, the Padres developed into a competitive team, and McKeon's strategic acumen was on full display. His ability to manage a diverse roster and navigate the challenges of a long season was evident during his time in San Diego.

McKeon's managerial journey continued with the Cincinnati Reds, where he served as manager from 1997 to 2000. During his tenure, the Reds were consistently competitive, and in 1999, they finished with a 96-67 record, narrowly missing the playoffs after losing a one-game playoff to the New York Mets. McKeon's leadership was instrumental in the Reds' strong performance during this period.

Perhaps the most memorable chapter of McKeon's career came with the Florida Marlins. In 2003, at the age of 72, he was hired as the Marlins' manager. Under his leadership, the Marlins made a remarkable turnaround, going from a sub-.500 team to World Series champions. McKeon's ability to connect with players and make astute in-game decisions was crucial to the Marlins' success. The team's victory in the 2003 World Series against the New York Yankees cemented McKeon's legacy in baseball history.

McKeon continued to manage the Marlins until 2005, and his influence on the team was undeniable. After a brief retirement, he returned to manage the Marlins once more in 2011, becoming the second-oldest manager in MLB history at the age of 80. Although his second stint was short-lived, it underscored his enduring love for the game and his ability to lead even in the later stages of his career.

Throughout his managerial career, Jack McKeon was known for his straightforward approach and his knack for making bold moves.