Leo Rivas Bio
Leonardo Andres Rivas is a Venezuelan professional baseball infielder for the Seattle Mariners of Major League Baseball (MLB). Born on October 10, 1997, he made his MLB debut in 2024 after working his way through the minor leagues for nearly a decade. Known for his speed, plate discipline, and positional flexibility, Rivas has steadily built a reputation as a useful utility player at the top level of the sport.
After signing with the Los Angeles Angels as an international free agent in 2014, Rivas progressed through several affiliates before reaching the majors with Seattle. His journey through the Dominican Summer League, the Arizona League, and various Single-A and Double-A teams prepared him for the demands of Major League Baseball, where he has since delivered clutch moments and provided steady defense.
Early Life and Background
Leonardo Andres Rivas was born on October 10, 1997, in Venezuela. Growing up in a country with a deep passion for baseball, he developed an early love for the sport and quickly distinguished himself as a talented young infielder. His natural athleticism and baseball instincts became apparent during his youth, paving the way for a professional opportunity in the United States.
Coming from a nation that has produced countless Major League stars, Rivas entered the international free agent market as a teenager. On July 11, 2014, at the age of 16, he signed with the Los Angeles Angels and received a $40,000 signing bonus, marking the official beginning of his professional career. His family supported his transition into professional baseball, and his Venezuelan roots have remained a defining part of his identity throughout his journey in the sport.
Path to Baseball
Rivas made his professional debut in 2015 with the Dominican Summer League (DSL) Angels, where he appeared in 65 games and batted .258, showcasing the contact skills that would become a hallmark of his game. He returned to the DSL to begin 2016 before advancing to the rookie-level Arizona League (AZL) Angels in July. Across both levels that year, he posted a .290/.413/.379 slash line with one home run, 19 RBI, and an impressive 26 stolen bases, signaling his potential as a versatile middle infielder.
In 2017, Rivas split the season between the Rookie-level Orem Owlz and Single-A Burlington Bees, earning a Pioneer League All-Star selection with Orem. He continued to refine his approach in 2018, playing a career-high 119 games for Burlington, and in 2019 he advanced to the High-A Inland Empire 66ers. These developmental years allowed him to grow as both a hitter and a base runner, ultimately catching the attention of scouts and positioning him for a future opportunity in the major leagues.
Leo Rivas Career
Early Career (2014-2019)
After signing with the Los Angeles Angels in 2014, Rivas began his ascent through the organization with the DSL Angels in 2015, demonstrating early signs of his offensive potential. His progression through the rookie levels and into Single-A showed consistent improvement, as he combined solid on-base skills with aggressive baserunning. By 2019, he was playing primarily for the High-A Inland Empire 66ers, posting a .227/.332/.361 slash line with six home runs and 26 RBI across 80 games, and his development suggested a future in the upper minors.
The 2020 minor league season was canceled due to the COVID-19 pandemic, leaving Rivas without an opportunity to showcase his skills that year. On December 10, 2020, he was traded to the Cincinnati Reds as the player to be named later in a deal that sent reliever Raisel Iglesias to the Angels and Noé Ramirez to Cincinnati. The trade opened a new chapter in his professional journey and gave him a fresh start within a different organization.
Cincinnati Reds Era (2021-2022)
Rivas spent the 2021 season with the Double-A Chattanooga Lookouts, where he appeared in 60 games and batted .274/.382/.337 with 21 RBI and nine stolen bases. His strong on-base percentage highlighted his plate discipline, a trait that has defined his career. In 2022, he returned to Chattanooga for most of the year before moving up to the Triple-A Louisville Bats in mid-August, combining for 95 games and posting a .228/.318/.344 line with a career-best seven home runs, 35 RBI, and 18 stolen bases.
Following the 2022 season, Rivas elected free agency on November 10, seeking a new opportunity to continue his climb toward the major leagues. His time with the Reds organization allowed him to experience both Double-A and Triple-A competition, further preparing him for the next stage of his professional career.
Seattle Mariners Era (2023-Present)
On January 30, 2023, Rivas signed a minor league contract with the Seattle Mariners, marking a turning point in his career. He spent the year with the Double-A Arkansas Travelers, batting .255/.411/.347 with five home runs and career highs of 47 RBI and 50 stolen bases in 106 games, showcasing a blend of power and speed that made him a valuable organizational asset. He began 2024 with the Triple-A Tacoma Rainiers before being selected to the 40-man roster and promoted to the major leagues for the first time on April 25, replacing injured shortstop J.P. Crawford.
Rivas made his MLB debut on April 28 against the Arizona Diamondbacks, recording his first major league hit, a triple. He shuttled between the majors and minors throughout 2024, returning to the Mariners’ roster from June 10 to 13 and again from July 23 through the end of the season. On August 23, he notched his first career walk-off hit, singling in the 10th inning to beat the San Francisco Giants, and he finished his rookie season batting .233/.333/.274 with three stolen bases.
In 2025, Rivas was optioned to Triple-A Tacoma to begin the season before being recalled on April 1. He demonstrated excellent patience early, posting a .500 on-base percentage through May 4, though he was optioned back to Tacoma on May 31 as the team promoted prospect Cole Young. He was recalled again on September 1 as rosters expanded, and that night he hit his first career major league home run. On September 10, he delivered a walk-off two-run home run in the 13th inning against the St. Louis Cardinals, sealing a Mariners series sweep. In 48 games in 2025, Rivas batted .244/.387/.333 with two home runs and six stolen bases, and in the minors he was named a Pacific Coast League postseason All-Star while leading the league in on-base percentage.
Driving Style and Strengths
Rivas is known for his exceptional plate discipline, routinely posting strong on-base percentages at every level of professional baseball. His speed makes him a constant threat on the base paths, and his versatility allows him to play multiple infield positions effectively. These attributes have made him a valuable utility player capable of contributing in a variety of roles for the Mariners.
Notable Events and Milestones
Among Rivas’s signature moments, his first major league hit, a triple against the Arizona Diamondbacks on April 28, 2024, stands as a memorable debut. He later added his first career walk-off hit against the San Francisco Giants in August 2024, and his walk-off two-run home run against the St. Louis Cardinals on September 10, 2025, further cemented his reputation for delivering in high-pressure situations. On October 10, 2025, his 28th birthday, he entered Game 5 of the American League Division Series and delivered a game-tying RBI single as the Mariners defeated the Detroit Tigers 3-2 in 15 innings to advance to the American League Championship Series.
Leo Rivas Career Wins
While Leo Rivas is a position player rather than a pitcher, his on-field successes and accolades reflect a steady climb from the Dominican Summer League to the Major Leagues. His career has been defined more by offensive contributions, plate discipline, and defensive versatility than by traditional win totals, with key milestones including his MLB debut in 2024 and multiple walk-off moments in 2024 and 2025.
Minor League Highlights
Throughout his minor league career, Rivas earned several notable recognitions, including a Pioneer League All-Star selection in 2017 with the Orem Owlz and a Pacific Coast League postseason All-Star nod in 2025. His career-best season with the Arkansas Travelers in 2023 included 50 stolen bases, tying his name to one of the most prolific baserunning campaigns in his professional history. He also posted a career-high seven home runs during the 2022 season between Chattanooga and Louisville.
Other Wins & Performances
Rivas’s postseason debut in 2025 was another defining chapter, as he played a key role in the Mariners’ American League Division Series victory over the Detroit Tigers, hitting a game-tying single in the 15th inning of Game 5. In the postseason overall, he batted 2-for-17 with four walks, demonstrating discipline under pressure. His walk-off heroics in both 2024 and 2025 underscored his ability to perform in clutch moments on the biggest stages.
Leo Rivas Family
Family Background and Racing Lineage
Leo Rivas comes from Venezuela, a country with a rich baseball heritage that has produced numerous Major League stars. While specific details about his parents and upbringing are not widely documented, his early signing with the Los Angeles Angels at age 16 reflects a family that supported his athletic development and his decision to pursue a professional baseball career abroad.
Personal Life
Rivas is married, having dated his wife since they were both 15 years old. The couple has two children, and his family has been a central part of his life throughout his professional journey. Despite the demands of a long minor league career that took him across multiple organizations and levels of the sport, Rivas has remained devoted to his family.
2025 Season Performance
The 2025 season represented a breakthrough year for Leo Rivas at the Major League level. He began the year in Triple-A with the Tacoma Rainiers before being recalled by the Mariners on April 1, where he immediately impressed with a .500 on-base percentage through early May. His consistent ability to get on base made him a valuable table-setter, even as the Mariners navigated roster moves and injuries throughout the first half of the season.
After being optioned back to Tacoma on May 31 to make room for prospect Cole Young, Rivas continued to develop his game in the minors and was named a Pacific Coast League postseason All-Star while leading the league in on-base percentage. He was recalled to the Mariners on September 1 as rosters expanded and the team released Donovan Solano, and he quickly delivered his first career major league home run that same night. His walk-off two-run home run against the St. Louis Cardinals on September 10 highlighted his knack for clutch performance, and he earned regular playing time at second base in September, replacing the slumping Cole Young.
Rivas finished the 2025 regular season batting .244/.387/.333 with two home runs and six stolen bases in 48 games, then played a memorable role in the Mariners’ postseason run. On his 28th birthday, October 10, he delivered a game-tying RBI single in the 15th inning of Game 5 of the American League Division Series, helping Seattle defeat the Detroit Tigers and advance to the American League Championship Series. Looking ahead, Rivas is positioned as a versatile depth piece for the Mariners, with the potential to expand his role as a contact-oriented utility infielder.