Daniel Descalso is a professional baseball player who has played for several teams in Major League Baseball (MLB). He was born on October 19, 1986, in Redwood City, California, and attended St. Francis High School in Mountain View, California. Descalso played college baseball at the University of California, Davis, where he was a standout player.

Descalso was drafted by the St. Louis Cardinals in the third round of the 2007 MLB draft. He made his MLB debut with the Cardinals in 2010 and played for the team until 2014. During his time with the Cardinals, Descalso was primarily a utility infielder, playing second base, third base, and shortstop. He was known for his solid defense and ability to get on base.

In 2014, Descalso signed with the Colorado Rockies as a free agent. He played for the Rockies for two seasons, primarily as a backup infielder. In 2016, Descalso signed with the Arizona Diamondbacks, where he played for three seasons. With the Diamondbacks, Descalso played a more significant role, starting at second base and third base and occasionally playing in the outfield. He had a career year in 2018, hitting .238 with 13 home runs and 57 RBIs.

After the 2018 season, Descalso became a free agent and signed with the Chicago Cubs. He played for the Cubs in 2019, primarily as a backup infielder and pinch hitter. Descalso struggled at the plate in 2019, hitting just .173 with two home runs and 15 RBIs in 82 games.

Overall, Descalso had a solid career as a utility infielder in MLB. He played for nine seasons, hitting .240 with 46 home runs and 279 RBIs. He was known for his versatility and solid defense, and he was a valuable player off the bench. Descalso never made an All-Star team or won any major awards, but he was a respected player in the league and a valuable member of several teams.