Mike Jeffcoat's journey through Major League Baseball is a tale of perseverance and adaptability. Born on August 3, 1959, in Pine Bluff, Arkansas, Jeffcoat attended Louisiana Tech University, where he honed his skills as a left-handed pitcher. His talent on the mound caught the attention of scouts, leading to his selection by the Cleveland Indians in the 13th round of the 1980 MLB Draft.

Jeffcoat made his MLB debut with the Cleveland Indians on September 14, 1983. During his time with the Indians, he primarily served as a relief pitcher, showcasing his ability to handle various pitching situations. However, his tenure with Cleveland was relatively short-lived, as he was traded to the San Francisco Giants in 1985.

With the Giants, Jeffcoat continued to develop his craft, though he spent much of his time bouncing between the majors and minors. His stint with San Francisco was brief, and he soon found himself on the move again, this time to the Texas Rangers in 1987. It was with the Rangers that Jeffcoat found a more stable role, transitioning into a starting pitcher.

During his years with the Texas Rangers, Jeffcoat demonstrated his ability to adapt to different roles on the pitching staff. He pitched both as a starter and reliever, providing the team with flexibility. His best season came in 1989 when he recorded a 9-6 win-loss record with a 3.58 ERA, showcasing his capability to contribute effectively to the team's rotation.

In 1990, Jeffcoat was traded to the Florida Marlins, but he never played a game for the team. Instead, he was released and subsequently signed by the Seattle Mariners. With the Mariners, Jeffcoat continued to pitch in various roles, adding depth to their pitching staff. His time in Seattle marked the final chapter of his MLB career, as he retired from professional baseball after the 1994 season.

Throughout his career, Jeffcoat was known for his work ethic and ability to adapt to the needs of his team. While he may not have been a household name, his contributions to the teams he played for were valued by teammates and coaches alike. After retiring from playing, Jeffcoat transitioned into coaching, sharing his knowledge and experience with aspiring players.