Beckham was rated by publications such as Baseball America as the top high school baseball prospect in the nation. Beckham was described as a potential five tool player at the major league level. Beckham ran the 60-yard dash in 6.33 seconds, and bench pressed.
Early years
Beckham, the youngest son of Jimmy Beckham, grew up in the Crestview Heights neighborhood of Griffin, Georgia. He often played baseball in his yard with his older brothers Stephen and Jeremy. During his younger years Beckham was involved in football, basketball and baseball. However, he quit baseball while in grade school to focus on football and basketball. Encouraged by his brothers, he got back into baseball. Beckham was the shortstop for the Griffin JV baseball team as an eighth grader, and the varsity team at Griffin High School in 2005 as a freshman. His older brother, Jeremy had gone on to play baseball at Georgia Southern University and was eventually drafted by the Rays in the 2008 Major League Baseball draft.
High school
In his freshman year for the Griffin High varsity team, Beckham batted seventh in the order and hit 14 home runs on the season. In his first at-bat in 2006 as a sophomore, Beckham hit a home run. For the season he batted.405, hitting five home runs, three triples and six doubles. He also added 22 runs batted in and stole 15 bases. During his junior season at Griffin, Beckham batted.512, hitting nine doubles, six triples, and six home runs. He also added 39 RBIs and stole 20 bases. Following the season, Beckham competed in the World Wood Bat Association 17-Under Summer Championship, in Cincinnati, Ohio. Beckham finished the tournament rated as the #1 prospect out of over 2,000 participants. Later that year, in August 2007, Beckham took home the MVP Honors at the Aflac Classic in San Diego, California. Beckham concluded the summer of 2007 having batted.409, hitting nine home runs, 15 doubles, eight triples, and 32 stolen bases, against some of the best competition in America. Beckham committed to the University of Southern California during his senior year, but maintained his intentions of entering the 2008 MLB Draft. Through 24 games in his senior season, Beckham batted.500, with five home runs, nine doubles and three triples. Beckham also added 31 RBIs and 16 stolen bases.
On September 18, 2013, the Rays promoted Beckham to the MLB. Beckham made his MLB debut on September 19, as a pinch hitter against the Texas Rangers. In his only at-bat, he recorded his first career MLB hit, a single, off of Rangers pitcher Tanner Scheppers. He had 3 hits, all singles, in 7 at-bats. He scored once and drove in a run. After the 2013 season, Beckham tore his anterior cruciate ligament. He missed the 2014 season. On April 11, 2015, Beckham hit his first major league home run. For the season, he batted.222 /.274/.429. In 2016, Beckham played a backup utility man role, mainly playing SS, but also seeing time at all four infield positions. Beckham was demoted to Triple-A Durham on August 31, 2016 after not hustling home from second base during a game against the Boston Red Sox at Fenway Park. He finished the 2016 season batting.247/.300/.434, with 5 home runs and 16 RBIs in 64 games. In spring training in 2017, the Rays reported that Beckham had been working on playing in the outfield in an attempt to give him more playing time and a more important platoon role. Due to an injury to newly acquired shortstop Matt Duffy, Beckham was able to see an increased amount of playing time at shortstop and even started the opening day game. Beckham started in a majority of the Rays games. This led Beckham to a minor break out. Batting.266/.303/.422 with 8 home runs, 26 RBIs through the first two months. Even with his improved play, Beckham was expected to relinquish his starting role upon Duffy's return. Upon the acquisition of defensive standout Adeiny Hechavarria, Beckham shifted over to second base He committed 20 errors for the season, the second-most among all American League players.
Baltimore Orioles
The Rays dealt Beckham to the Baltimore Orioles for Tobias Myers just before the non-waiver trade deadline on July 31, 2017. He made his Orioles debut the next night, going 2-for-4 with a double and two runs scored. On August 5, in a 5-2 victory over the Tigers, Beckham homered for the third straight game. His home run was the 10,000th in Orioles' franchise history. Through his first five games with the Orioles, Beckham was 13 for 20, an average of.650, with three home runs, five RBIs, and an OPS of 2.000. Beckham was named AL Player of the Week. Beckham went on a 12-game hitting streak to begin his career with the Orioles, before going 0-for-4 on August 13. During the hitting streak, Beckham slashed.531/.549/.939 with seven doubles, two triples, three home runs, nine RBIs and 14 runs scored. Beckham collected 50 hits in his first month with the Orioles, the second most in team history. He hit in 27 of the 29 games and slashed.394/.417/.646 with ten doubles, two triples, and six home runs, while driving in 19 runs and scoring 27 times. Prior to the 2018 MLB season, the Orioles announced that Beckham would be moved to third base while Manny Machado would be moved to shortstop. Beckham was placed on the 10-day DL on April 25 with a left groin strain, and he was transferred to the 60-day DL on May 13.
Seattle Mariners
On January 10, 2019, Beckham signed a one-year contract with the Seattle Mariners. He was named the Mariners' Opening Day shortstop, making his debut against the Oakland Athletics on March 20, 2019 in Tokyo, Japan. Beckham hit safely in 9 of his first 10 games to begin the season, in which he hit.410/477/.846 with 4 home runs and 11 RBI during that span. As a result, he was awarded the American League Player of the Week honors for the opening week of 2019. On August 6, 2019, Beckham received an 80-game suspension without pay after testing positive for Stanozolol, a performance-enhancing substance, in violation of Major League Baseball’s Joint Drug Prevention and Treatment Program. This effectively ended Beckham's season, finishing with a.237/.293/.461 slash line with 15 home runs and 47 RBIs. On December 2, 2019, Beckham was non-tendered by Seattle and became a free agent.
