History of Justin Martínez (baseball) in Timeline
Justin Martínez is a professional baseball pitcher from the Dominican Republic who plays for the Arizona Diamondbacks in Major League Baseball (MLB). He began his MLB career in 2023.
July 30, 2001: Justin Martínez Born
On July 30, 2001, Justin Martínez was born. He is a Dominican professional baseball pitcher.
March 5, 2018: Signed with Arizona Diamondbacks
On March 5, 2018, Justin Martínez signed with the Arizona Diamondbacks as an international free agent.
2019: Professional Debut and Season Split
In 2019, Justin Martínez made his professional debut with the Dominican Summer League Diamondbacks and split the season between the DSL Diamondbacks, rookie–level Arizona League Diamondbacks, and rookie–level Missoula Osprey.
2020: Season Cancelled Due to COVID-19
In 2020, Justin Martínez did not play due to the cancellation of the minor league season because of the COVID-19 pandemic.
2021: Tommy John Surgery
In 2021, Justin Martínez began the season with the Single-A Visalia Rawhide, but underwent Tommy John surgery after only 7 starts.
November 15, 2022: Added to 40-Man Roster
On November 15, 2022, the Arizona Diamondbacks added Justin Martínez to their 40-man roster to protect him from the Rule 5 draft.
June 27, 2023: Promoted to Major Leagues
On June 27, 2023, Justin Martínez was promoted to the major leagues for the first time by the Arizona Diamondbacks.
2023: MLB Debut
In 2023, Justin Martínez made his Major League Baseball (MLB) debut with the Arizona Diamondbacks.
March 21, 2025: Contract Extension
On March 21, 2025, Justin Martínez and the Diamondbacks agreed to a five-year, $18 million contract extension.
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