Seth Smith is a former professional baseball player who played as an outfielder and designated hitter in Major League Baseball (MLB). He was born on September 30, 1982, in Jackson, Mississippi, and attended Hillcrest Christian School in Jackson, where he played baseball and basketball.

Smith began his professional baseball career in 2004 when he was drafted by the Colorado Rockies in the second round of the MLB draft. He spent several years in the minor leagues before making his MLB debut with the Rockies in 2007. In his rookie season, Smith played in 67 games and hit .259 with four home runs and 15 RBIs.

Over the next few years, Smith established himself as a reliable outfielder for the Rockies, hitting for average and power while playing solid defense. In 2009, he hit .293 with 15 home runs and 55 RBIs, helping the Rockies reach the playoffs. He also had a memorable performance in the 2011 NLDS, hitting two home runs in a game against the Philadelphia Phillies.

After six seasons with the Rockies, Smith was traded to the Oakland Athletics in 2012. He continued to produce at the plate, hitting .290 with 14 home runs and 52 RBIs in his first season with the A's. He also helped the team reach the playoffs in 2013 and 2014, hitting a game-winning home run in the 2013 ALDS against the Detroit Tigers.

In 2015, Smith was traded to the Seattle Mariners, where he played for two seasons. He hit .249 with 16 home runs and 63 RBIs in his first season with the Mariners, but his production declined in 2016, as he hit just .249 with 16 home runs and 63 RBIs.

In 2017, Smith signed with the Baltimore Orioles, but he struggled at the plate, hitting just .246 with 13 home runs and 32 RBIs in 111 games. He was released by the Orioles in August and signed with the Toronto Blue Jays, where he finished the season.

Overall, Smith had a solid career in MLB, hitting .261 with 126 home runs and 513 RBIs in 1,105 games. He was known for his ability to hit for average and power, as well as his versatility in the outfield. While he never made an All-Star team or won any major awards, he was a valuable contributor to several playoff teams and was respected by his teammates and coaches.