Kevin Millar is a former professional baseball player who played in the Major League Baseball (MLB) for 12 seasons. He was born on September 24, 1971, in Los Angeles, California, and grew up in the town of Los Gatos, California. Millar attended Lamar University in Beaumont, Texas, where he played college baseball for the Lamar Cardinals.

Millar began his professional baseball career in 1993 when he was signed as an undrafted free agent by the Florida Marlins. He spent several years in the minor leagues before making his MLB debut with the Marlins in 1998. Millar played for the Marlins for three seasons, during which he established himself as a reliable hitter and a versatile fielder. He played first base, third base, and outfield for the Marlins and helped the team win the World Series in 2003.

After the 2002 season, Millar was traded to the Boston Red Sox, where he played for three seasons. He became a fan favorite in Boston for his outgoing personality and his clutch hitting. Millar played a key role in the Red Sox's historic comeback against the New York Yankees in the 2004 American League Championship Series, during which he famously declared that the Red Sox were "the greatest team ever assembled" after they won Game 4 to avoid elimination. The Red Sox went on to win the World Series that year, ending an 86-year championship drought.

Millar played for several other teams in the latter part of his career, including the Baltimore Orioles, Toronto Blue Jays, and Houston Astros. He retired from baseball in 2010 with a career batting average of .274, 170 home runs, and 699 runs batted in.

In addition to his playing career, Millar has also worked as a baseball analyst for various media outlets, including MLB Network and ESPN. He has also been involved in several charitable organizations, including the Jimmy Fund and the Miracle League, which provides opportunities for children with disabilities to play baseball.

Overall, Kevin Millar had a successful and memorable baseball career, during which he played for several teams and won a World Series championship with the Boston Red Sox. He was known for his versatility, his clutch hitting, and his outgoing personality, which made him a fan favorite wherever he played.