Kansas City Royals
On July 10,2015,Rivero signed with the Kansas City Royals as an international free agent. He made his professional debut with the DSL Royals in 2016,and also appeared in 38 games for the AZL Royals,accumulating a .280 average between the two clubs. In 2017,he played for the rookie ball Burlington Royals,batting .265/.288/.381 with 4 home runs and 28 RBI. He played for the Single-A Lexington Legends in 2018,hitting .258/.301/.391 with 7 home runs and 34 RBI. He split the 2019 season between the High-A Wilmington Blue Rocks and the Triple-A Omaha Storm Chasers,slashing .216/.273/.280 in 94 games between the teams. [1]
Rivero did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic. [2] Rivero was added to the Royals’60-man player pool for the 2020 season but did not appear for the major league club. [3]
The Royals added Rivero to their 40-man roster after the 2020 season to protect him from being selected in the Rule 5 draft. [4] On May 3,2021,Rivero was promoted to the major leagues for the first time. [5] On May 8,Rivero made his MLB debut as the starting catcher against the Chicago White Sox. [6]
Rivero returned to Omaha in 2022,and was promoted to the major leagues on July 14. [7]
On November 10,2022,Rivero was designated for assignment and was placed on unconditional release waivers on November 16.
Los Angeles Angels
On December 12,2024,Rivero signed a minor league contract with the Los Angeles Angels. [12] In 68 appearances for the Triple-A Salt Lake Bees,he batted .264/.309/.429 with nine home runs and 45 RBI. On September 8,2025,the Angels selected Rivero's contract,adding him to their active roster. [13] He made 11 appearances for Los Angeles,going 6-for-33 (.182) with two RBI and one stolen base. On November 21,Rivero was non-tendered by the Angels and became a free agent. [14]
