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Junior
Guerrero
Relief Pitcher
Birthdate
21/8/1977
BAT/THR
Right/Right
Birthplace
Santo Domingo, Dominican Republic
Overview
News
Stats
Bio
Splits
Game Log
Biography
Position
Relief Pitcher
Birthdate
21/8/1977
BAT/THR
Right/Right
Birthplace
Santo Domingo, Dominican Republic
MLB News
Ranking MLB's best at every position for 2026: Olney's top 10s
As a new baseball season approaches, we compare the elite at every spot on the diamond.
Meet Pirates' Konnor Griffin, MLB's next teenage superstar
The No. 1 prospect in baseball has a chance to join exclusive company on Opening Day -- if the Pirates are willing to let him.
Buster Olney's 2026 top 10 at every MLB position: Designated hitters
Our dive into the best players at every position concludes with the game's most powerful hitters.
College baseball 2026: Why Jack Ohman chose to stay at Yale
When the powerhouse schools called, offering NIL money, Jack Ohman nearly changed his phone number.
Yuki Matsui out of WBC for Japan, uncertain for Padres opener
Yuki Matsui will not pitch in the World Baseball Classic and his status for San Diego's season opener is also unclear because of a groin strain.
Bruce Froemming, MLB umpire for 37 years, dies at age 86
Longtime MLB umpire Bruce Froemming, who worked 5,163 games, third most in big league history, died Wednesday at age 86.
