Eduardo Rivera (baseball)

Eduardo Rivera
Boston Red Sox – No. 99
Pitcher
Born: (2003-06-13) June 13, 2003
San Juan, Puerto Rico
Bats: Left
Throws: Left
MLB debut
April 22, 2026, for the Boston Red Sox
MLB statistics
(through July 22, 2026)
Win–loss record0–1
Earned run average6.30
Strikeouts10
Stats at Baseball Reference 
Teams

Eduardo Yael Rivera (born June 13, 2003) is a Puerto Rican professional baseball pitcher for the Boston Red Sox of Major League Baseball (MLB). He made his MLB debut in 2026.

Career

Oakland Athletics / Athletics

The Oakland Athletics selected Rivera in the 11th round of the 2021 Major League Baseball draft. That summer, he played four games in the MLB Draft League and one game in the Arizona Complex League (ACL).[1] In 2022, he played in eight ACL games;[1] his season was shortened by injury.[2] Rivera spent the 2023 season with the Single-A Stockton Ports; in 16 games (12 starts) he posted a 2–7 win–loss record with a 5.34 earned run average (ERA) while striking out 75 batters in 69 innings pitched.[1] During the 2023–24 offseason, Rivera played in the Puerto Rican Winter League (PRWL).[1]

Rivera and split time between Stockton and the High-A Lansing Lugnuts to begin the 2024 campaign.[1] He was released by the Athletics organization on May 21, 2024.

Boston Red Sox

On June 12, 2024, Rivera signed a minor league contract with the Boston Red Sox organization.[2] He made appearances in the Florida Complex League and for the Single-A Salem Red Sox.[1] Overall with four affiliates during the 2024 season, Rivera made 18 appearances (7 starts) while posting a 4.35 ERA and a 1–3 record while striking out 49 batters 41+1⁄3 innings.[1] During the 2024–25 offseason, he played in the PRWL and played for Puerto Rico in the Caribbean Series.[1]

Rivera split time during the 2025 regular season between the High-A Greenville Drive and Double-A Portland Sea Dogs.[1] Overall, he made 20 appearances (15 starts) while posting a 4–6 record with a 2.48 ERA while striking out 108 batters in 87 innings.[1] During the 2025–26 offseason, he again played in the PRWL.[1]

Rivera played for Puerto Rico in the 2026 World Baseball Classic, appearing in two games (one start) while posting a 4.05 ERA without a decision.[1] Rivera began the 2026 regular season with Portland and was promoted to the Triple-A Worcester Red Sox on April 21.[3] The next day, before making an appearance for Worcester,[4] the Red Sox added him to their major-league roster.[5] Rivera made his MLB debut that evening, pitching 3+1⁄3 scoreless innings in relief during a Red Sox loss to the New York Yankees at Fenway Park.[6] He was optioned back to Worcester following a start on July 22 against the Baltimore Orioles in which he allowed four earned runs in only 2⁄3 of an inning.[7][8]

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 "Eduardo Rivera Minor, Amateur, Winter & WBC Leagues Statistics". Baseball Reference. Retrieved April 22, 2026.
  2. 1 2 "Eduardo Rivera". soxprospects.com. Retrieved April 22, 2026.
  3. ↑ Mohammed, Aaliyan (April 21, 2026). "Red Sox Promote No. 27 Prospect To Triple-A After Just Two Starts In 2026". NESN. Retrieved April 22, 2026.
  4. ↑ Binkowski, Justin (April 22, 2026). "Red Sox Promote Pitching Prospect to Majors Before Triple-A Debut". Minor League Baseball on SI. Retrieved April 22, 2026.
  5. ↑ Browne, Ian (April 22, 2026). "Red Sox lefty Rivera so eager for MLB debut, he arrived 2 1/2 hours early". MLB.com. Retrieved April 22, 2026.
  6. ↑ "Eduardo Rivera's three strikeouts in MLB debut". MLB.com. April 22, 2026. Retrieved April 22, 2026.
  7. ↑ "Red Sox Option LHP Eduardo Rivera to Triple-A Worcester". MLB.com. July 22, 2026. Retrieved August 18, 2026.
  8. ↑ "Baltimore Orioles vs. Boston Red Sox Box Score". Baseball Reference. July 22, 2026. Retrieved August 18, 2026.
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