Tim Wallach is a former professional baseball player who played in the Major Leagues for 17 seasons. He was primarily a third baseman, but also played first base and outfield during his career. Wallach was known for his strong arm and defensive skills, as well as his ability to hit for power.

Wallach was born on September 14, 1957 in Huntington Park, California. He attended Cal State Fullerton, where he played college baseball and was a two-time All-American. In 1979, he was drafted by the Montreal Expos in the first round of the MLB draft.

Wallach made his Major League debut with the Expos in 1980, and quickly established himself as a solid player. He hit .276 with 13 home runs and 73 RBI in his rookie season, and finished second in the National League Rookie of the Year voting. He continued to improve over the next few seasons, and in 1984 he had his best year yet. He hit .298 with 27 home runs and 123 RBI, and was named to the All-Star team for the first time.

Wallach played for the Expos for 13 seasons, from 1980 to 1992. During that time, he was one of the team's most consistent and reliable players. He hit over .280 in eight different seasons, and hit 20 or more home runs six times. He also won three Gold Glove awards for his excellent defense at third base.

In 1993, Wallach signed with the Los Angeles Dodgers as a free agent. He played for the Dodgers for three seasons, and was still a productive player despite being in his mid-30s. He hit .280 with 23 home runs and 78 RBI in his first season with the team, and helped lead them to the National League Championship Series.

Wallach finished his career with the Anaheim Angels in 1996. He retired with a .257 career batting average, 260 home runs, and 1,125 RBI. He was also a five-time All-Star and won three Gold Glove awards.

After retiring from playing, Wallach became a coach and manager in the minor leagues. He was the manager of the Triple-A Albuquerque Isotopes from 2009 to 2012, and was named the Pacific Coast League Manager of the Year in 2010. He also served as the bench coach for the Miami Marlins from 2016 to 2018.

Overall, Tim Wallach had a long and successful career in Major League Baseball. He was a consistent and reliable player who was known for his strong defense and power hitting. He was also a respected leader and mentor to younger players, and has continued to make an impact in the game as a coach and manager.