Michael Peter Aldrete, known as Mike Aldrete, played as a first baseman and outfielder in Major League Baseball. His career began when he was drafted by the San Francisco Giants in the 7th round of the 1983 amateur draft. Aldrete made his MLB debut with the Giants on September 7, 1986. During his time with the Giants, he demonstrated a solid batting ability, hitting .325 in his rookie season over 58 games.

Aldrete's tenure with the Giants lasted until 1988, after which he was traded to the Montreal Expos. His time with the Expos was brief, spanning only the 1989 season. In 1990, Aldrete joined the San Diego Padres, where he played for a single season. The following year, he moved to the Cleveland Indians, continuing to showcase his skills as a reliable player.

In 1993, Aldrete signed with the Oakland Athletics. His stint with the Athletics was marked by consistent performance, and he played with them until 1995. During this period, Aldrete was known for his ability to get on base and his defensive versatility, playing both in the outfield and at first base.

Aldrete's career continued with the California Angels in 1995, where he played until 1996. His final season in Major League Baseball was with the New York Yankees, where he played a limited role. Throughout his career, Aldrete was known for his steady presence on the field and his ability to adapt to various team needs.