Daniel Robert of Philles suffers from a heart attack

Philadelphia Phillies pitcher Daniel Robert suffered a serious medical emergency while at the team’s practice facility in Florida on Sunday morning.

Robert was at BayCare Ballpark in Clearwater when he suffered a heart attack, according to MLB.com. He was on the pitcher’s mound next to half-court after completing his first bullpen session since October.

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In October, Robert also had a heart attack. Doctors inserted an implantable cardioverter defibrillator (ICD) near his chest over the winter. The device went off as he left the mound Sunday, according to the report.

“I was standing right behind him,” manager Rob Thomson said afterwards. “It was scary because he went down, he started to get up and he came back down.”

He added that it was “very scary.”

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Philadelphia Phillies relief pitcher Daniel Robert (48) delivers a pitch during the ninth inning against the New York Yankees at Yankee Stadium on July 25, 2025. (Vincent Carchietta/Imagn Images)

Robert was taken to the hospital and released a few hours after the incident.

The 31-year-old pitcher was selected in the 21st round of the 2017 MLB Amateur Draft by the Texas Rangers. He made four appearances for the Rangers in 2024. He had six strikeouts in 5.2 innings.

Robert was traded to the Phillies in April 2025 for minor leaguer Enrique Segura. He made 15 appearances for Philadelphia, striking out 15 batters and allowing seven runs – six earned – in 13 innings.

Texas Rangers pitcher Daniel Robert (57) pitches against the Baltimore Orioles in the seventh inning at Globe Life Field on July 20, 2024. (Tim Heitman/USA TODAY Sports)

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It is unclear how long Robert will remain off the mound until he is cleared.