Frank Cashen's journey in Major League Baseball is marked by his strategic acumen and leadership in team management. Before his involvement in baseball, Cashen worked in the advertising industry, which honed his skills in communication and negotiation. These skills would later prove invaluable in his baseball career.

Cashen's entry into the world of baseball management began with the Baltimore Orioles. Initially, he served as the team's executive vice president, where he played a crucial role in building a competitive roster. During his tenure with the Orioles, the team experienced considerable success, including winning the World Series in 1970. His ability to identify talent and make shrewd trades helped establish the Orioles as a powerhouse in the American League.

In 1980, Cashen took on a new challenge as the general manager of the New York Mets. At the time, the Mets were struggling, both on the field and in terms of fan engagement. Cashen was tasked with revitalizing the franchise, a challenge he approached with a methodical and patient strategy. One of his first major moves was to overhaul the team's farm system, focusing on developing young talent that could sustain long-term success.

Under Cashen's leadership, the Mets drafted and developed several key players who would become the backbone of the team. Notable among these were Dwight Gooden and Darryl Strawberry, both of whom became stars in the league. Cashen also made strategic trades and acquisitions, bringing in players like Keith Hernandez and Gary Carter, who provided veteran leadership and skill.

The culmination of Cashen's efforts came in 1986 when the Mets won the World Series. The team's success was a testament to Cashen's vision and ability to assemble a roster that combined youthful talent with experienced veterans. The 1986 Mets are often remembered for their dynamic play and charismatic personalities, a reflection of the team culture Cashen helped cultivate.

Cashen continued to serve as the Mets' general manager until 1991, overseeing the team through various challenges and changes. His tenure with the Mets is remembered for transforming the franchise into a competitive force in Major League Baseball. After stepping down as general manager, Cashen remained involved in baseball in various capacities, sharing his expertise and insights gained from years of experience.