Troy O'Leary is a former professional baseball player who played in the Major League Baseball (MLB) for over a decade. He was born on August 4, 1969, in Compton, California, and attended Cerritos College in Norwalk, California.

O'Leary began his professional baseball career in 1987 when he was drafted by the Milwaukee Brewers in the 13th round of the MLB draft. He spent several years in the Brewers' minor league system before making his MLB debut with the team in 1993.

After playing for the Brewers for a few seasons, O'Leary was traded to the Boston Red Sox in 1995. It was with the Red Sox that O'Leary had the most success in his career. He played for the team for eight seasons, from 1995 to 2002, and was a key player in the team's success during that time.

O'Leary was known for his power hitting and his ability to drive in runs. He had his best season in 1999 when he hit 28 home runs and drove in 103 runs. He also had a career-high batting average of .280 that season.

One of O'Leary's most memorable moments with the Red Sox came in the 1999 American League Division Series against the Cleveland Indians. In Game 5 of the series, O'Leary hit a three-run home run in the bottom of the eighth inning to give the Red Sox the lead and ultimately the win.

After leaving the Red Sox in 2002, O'Leary played for a few more seasons with the Montreal Expos and the Chicago Cubs before retiring from baseball in 2006.

Overall, O'Leary had a solid career in the MLB. He played in over 1,200 games and had a career batting average of .274. He hit 127 home runs and drove in 555 runs during his career.

While O'Leary may not be a household name in the world of baseball, he was a reliable and consistent player who contributed to his teams' success throughout his career.