Tom Brunansky's journey in Major League Baseball began when he was drafted by the California Angels in the first round of the 1978 MLB Draft. A right-handed outfielder known for his power-hitting abilities, Brunansky quickly rose through the minor league ranks, making his MLB debut with the Angels. However, it was his trade to the Minnesota Twins in 1982 that marked the beginning of his most productive years in the league.

With the Twins, Brunansky became a regular fixture in the outfield, showcasing his ability to hit home runs and drive in runs. In 1984, he hit 32 home runs and drove in 85 runs, establishing himself as a power threat in the American League. His performance earned him a spot in the 1985 All-Star Game, a testament to his growing reputation as a reliable slugger.

Brunansky's tenure with the Twins reached its peak in 1987 when he played a crucial role in helping the team secure the World Series championship. During the regular season, he contributed 32 home runs and 85 RBIs, and his postseason performance was instrumental in the Twins' success. His defensive skills were also on display, as he made several key plays in the outfield during the World Series.

In 1988, Brunansky was traded to the St. Louis Cardinals, where he continued to be a consistent power hitter. He spent two seasons with the Cardinals, maintaining his reputation as a reliable outfielder and contributing to the team's offensive lineup. His time in St. Louis was marked by steady production, although the team did not achieve the same postseason success he had experienced with the Twins.

The next chapter of Brunansky's career saw him move to the Boston Red Sox in 1990. In Boston, he continued to deliver solid performances, including a memorable game-ending catch in 1990 that secured the Red Sox's division title. His tenure with the Red Sox lasted until 1992, during which he remained a key player in their lineup.

Brunansky's later years in the league included stints with the Milwaukee Brewers and a return to the Red Sox. Although his power numbers declined as he aged, he remained a respected veteran presence in the clubhouse. His final season in the majors was with the Red Sox in 1994, after which he retired from professional baseball.

Throughout his career, Brunansky was known for his power at the plate and his strong arm in the outfield. He finished with 271 home runs and 919 RBIs, solidifying his reputation as a consistent power hitter. His contributions to the Twins' 1987 World Series victory remain a highlight of his career, and he is remembered fondly by fans for his role in that championship season.