Adell was considered one of the top prospects for the 2017 Major League Baseball (MLB) draft.[4][5][6] He was selected by the Los Angeles Angels with the tenth overall selection in the draft.[7] Adell began his professional career in June 2017 with the AZL Angels, and after batting .288/.351/.542 with four home runs, 21 RBIs, and 10 stolen bases, he was promoted to the Orem Owlz. He spent the rest of the season with Orem, batting .376/.411/.518 with one home run and nine RBIs in 18 games for them.[8]
Adell in 2019
In 2018, Adell began the season with the Burlington Bees of the Single–A Midwest League, where he hit .326/.398/.611 with six home runs and 29 RBIs in 25 games before being promoted to the Inland Empire 66ers of the High–ACalifornia League.[9] He was chosen to represent the Angels in the 2018 All-Star Futures Game.[10] After 57 games with the 66ers, he was promoted to the Mobile BayBears of the Double–ASouthern League. In 99 games between the three clubs, Adell slashed .290/.355/.543 with 20 home runs, 77 RBIs, and 15 stolen bases.[11]
Adell was among the Angels' non-roster invitees to 2019 spring training, and joined the team there in February.[12] He began the year on the injured list with Mobile.[13] Through 32 games, Adell hit .347 and had six home runs to go along with a 1.018 OPS before being named to the 2019 All-Star Futures Game.[14] Playing right field, Adell went 1-for-2 at the plate with two walks. On August 1, Adell was promoted to the Salt Lake BeesofTriple–APacific Coast League. In 2019, playing for three minor league teams, he batted .289/.359/.475 with 10 home runs and 36 RBIs.[15] After the season, he was selected to play in the Arizona Fall League for the Mesa Solar Sox following the season.[16] And also, on October 10, he was selected for the United States national baseball team in the 2019 WBSC Premier 12.[17] In the tournament he batted .394/.429/.697 with 11 hits (tied for the tournament lead), three home runs, and five RBIs in 33 at bats.[18][19]
On August 4, 2020, the Angels promoted Adell to the major leagues.[20] He made his debut that night against the Seattle Mariners, going 1-for-4.[21] On August 29, Adell hit his first major league home run against Seattle Mariners pitcher Justus Sheffield. That same night, he hit his second major league home run against Aaron Fletcher.[22] Adell finished his rookie season batting .161/.212/.266 with 3 home runs and seven RBIs in 38 games.[citation needed]
Adell began his 2021 season with Salt Lake. He was called back up to the major leagues on August 2.[23] He made his season debut the following day, going 3-for-4 with two doubles, three RBIs and a stolen base against the Texas Rangers.[24] On August 17 against the Detroit Tigers, Adell hit his first career grand slam.[25] Adell finished the season batting .246/.295/.408, hitting four home runs and 26 RBIs in 35 games.[citation needed] Adell appeared in a career-high 88 games for the Angels in 2022. In 268 at-bats, he slashed .224/.264/.373 with eight home runs, 27 RBIs, and four stolen bases.[citation needed]
Adell was optioned to Triple-A Salt Lake to begin the 2023 season.[26] In a 6-game stretch in April, Adell homered in all 6 games consecutively, setting an Angels franchise record.[27] On June 21, Adell hit a 514-foot (157 m) home run at Smith's Ballpark, the longest home run hit in either the minor or major leagues since Statcast tracking started in 2015.[28] He went 3–for–13 (.231) in 5 games before he was placed on the injured list with a left oblique strain on July 14.[29] Adell was transferred to the 60–day injured list on August 1.[30] He was activated from the injured list on September 18.[31]
