Maitán was considered the top international prospect for the 2016 class.[1][2] Though a natural shortstop, Maitán has most often been projected as a third baseman in professional baseball.[3][4] He has been called the best international free agent since Miguel Sanó in 2009 and has been compared to Miguel Cabrera and Chipper Jones.[5] He signed with the Atlanta Braves on July 2,[6][7] receiving a $4.25 million signing bonus.[8] Maitán arrived in the United States in September to begin his professional career at the instructional league.[9] He made his debut with the Rookie-levelGulf Coast League Braves on July 3, 2017,[10] and after batting .314 with a .751 OPS in nine games, he was promoted to the Rookie AdvancedDanville Braves, where he finished 2017, posting a .220 average with two home runs and 15 RBIs.[11]
On October 2, 2017, Braves general manager John Coppolella and international scouting director Gordon Blakely resigned after an MLB investigation into their activities discovered several rules violations regarding international signings.[12] On November 21, MLB ordered that Maitan and several other players were released from their contracts and declared to be free agents.[13]
Los Angeles Angels
Maitán signed with the Los Angeles Angels, receiving a $2.2 million signing bonus.[14] He played for the Orem Owlz of the Advanced Rookie-level Pioneer League in 2018.[15] In 2019, he was promoted to the Single-A Burlington Bees. He played 123 games and finished with a slash line of .214/.278/.323.[16] Maitán did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic.[17]
In 2021, Maitán split the year between the rookie-level Arizona Complex League Angels and the High-A Tri-City Dust Devils. In 37 games, he batted a cumulative .212/.261/.258 with one home run and 13 RBI.[18] Maitán spent the 2022 season with the Double-A Rocket City Trash Pandas, playing in 114 games and hitting .261/.338/.399 with 11 home runs and 45 RBI (both one under his career-highs).[19] In 2023, he played in 53 games for Rocket City, struggling to a .192/.300/.256 batting line with 1 home run and 15 RBI. On June 19, 2023, Maitán was released by the Angels organization.[20]