Rollie Sheldon was a professional baseball pitcher who played in Major League Baseball (MLB) primarily during the early to mid-1960s. His career spanned several teams, but he is most notably associated with the New York Yankees, with whom he made his MLB debut. Sheldon's pitching career in the major leagues showcased a blend of starting and relief appearances, reflecting the versatile role he played on the pitching staffs of the teams for which he played.

Sheldon broke into the major leagues with the New York Yankees in 1961, a team renowned for its strong roster and competitive prowess during that era. His debut season was marked by a promising start, as he contributed to the team's pitching staff with performances that earned him a respectable win-loss record and an earned run average (ERA) indicative of his potential as a reliable pitcher. His tenure with the Yankees allowed him to gain valuable experience and exposure in the league, pitching in games that often had high stakes given the team's competitive standing.

Throughout his career, Sheldon's role oscillated between that of a starting pitcher and a relief pitcher. This flexibility allowed him to be utilized in various situations depending on team needs, matchups, and the strategic considerations of his managers. His ability to adapt to different pitching roles demonstrated his versatility and value to the teams for which he played.

After his stint with the New York Yankees, Sheldon went on to play for other MLB teams, including the Kansas City Athletics and the Boston Red Sox. His time with these teams was characterized by similar patterns of usage, as he continued to fill both starting and relief roles. Despite the changes in team affiliation, Sheldon maintained a level of performance that kept him in the major leagues, showcasing his skills against the backdrop of the competitive 1960s baseball landscape.

Sheldon's statistical contributions throughout his MLB career include a compilation of wins, losses, strikeouts, and an overall ERA that reflects the cumulative outcome of his appearances on the mound. These statistics, while not leading the league, were respectable and represented the solid, if not spectacular, career of a professional baseball pitcher during this era.

In summary, Rollie Sheldon's baseball career was marked by a journey through several MLB teams, with a notable beginning with the New York Yankees. His ability to serve both as a starter and in relief made him a valuable asset to his teams. Over the course of his career, Sheldon demonstrated consistency and adaptability, traits that allowed him to compete at the highest level of professional baseball during the early to mid-1960s.