LOS ANGELES — Arizona Diamondbacks shortstop Geraldo Perdomo appeared on Los Angeles Dodgers star Mookie Betts’ “On Base” podcast to discuss his chemistry with teammate Ketel Marte, particularly when it comes to double plays.
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Jul 6, 2025; Phoenix, Arizona, USA; Arizona Diamondbacks shortstop Geraldo Perdomo (2) makes the play for an out against the Kansas City Royals in the third inning at Chase Field. Mandatory Credit: Rick Scuteri-Imagn Images
Perdomo has grown into becoming one of the D-Backs’ defensive staples since he made his debut in 2021. Playing with Marte for the last four seasons has helped Perdomo create chemistry with the second baseman on defense.
The Diamondbacks have been one of the most consistent teams in turning double plays this year.

May 26, 2025; Phoenix, Arizona, USA; Arizona Diamondbacks shortstop Geraldo Perdomo (2) throws to first as Arizona Diamondbacks second base Ketel Marte (4) watches him throw out Pittsburgh Pirates second base Adam Frazier (26) to complete a double play during the ninth inning at Chase Field. Mandatory Credit: Joe Camporeale-Imagn Images
“For me, I feel it’s a gift,” Perdomo said on the podcast. “At the end of the day, you have to know who [your partner is]. You have to know what is his best path to catch that ball… I know exactly where I have to throw the ball to [Marte] because he got really good hands.”
Perdomo and Marte have shared a strong personal connection outside of the diamond, as both hail from the same country. The Diamondbacks’ shortstop believes that connection translates on the field and makes communication more efficient.

Jul 9, 2025; San Diego, California, USA; Arizona Diamondbacks shortstop Geraldo Perdomo (2) and Ketel Marte (4) celebrate after the Diamondbacks defeated the San Diego Padres at Petco Park. Mandatory Credit: Denis Poroy-Imagn Images
“When you know your partner, when you know where you have to throw the ball, when you know whose running, it makes it easy,” said Perdomo. “We sometimes do 40, 30 ground balls together in Spring Training. That’s how you start learning chemistry.”
Perdomo and Marte’s bond, built over the past several seasons, has helped make them one of MLB’s most reliable defensive duos — especially when it comes to turning double plays.
Perdomo ➡️ Marte: la defensa es la especialidad de la casa. 🇩🇴 #WorldSeries pic.twitter.com/6G8AxvBAzs
— MLB Dominicana (@MLBDominicana) November 1, 2023
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Wendy Lopez is a reporter for Burn City Sports. You can follow her on her X account, @wlopezde
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