Foster Griffin
Fred Foster Griffin is an American professional baseball pitcher for the Washington Nationals of Major League Baseball. He has previously played in MLB with the Kansas City Royals and Toronto Blue Jays, and in Nippon Professional Baseball for the Yomiuri Giants.
The Royals selected Griffin in the first round of the 2014 MLB draft, and he made his MLB debut with 2020 [Kansas City Royals season|the team in 2020]. After his debut, he had Tommy John surgery. After a brief return to the majors in 2022, he signed with Yomiuri. He was an NPB All-Star in 2025.
Career
Kansas City Royals
Griffin attended The First Academy in Orlando, Florida. The Kansas City Royals selected him in the first round of the 2014 Major League Baseball draft. He signed on June 10, and was assigned to the Burlington Royals, where he posted a 3.21 ERA in 28 innings pitched. Griffin spent 2015 with the Lexington Legends where he went 4–6 with a 5.44 ERA. In 2016, Griffin split time between Lexington and the Wilmington Blue Rocks, where he posted a combined 6–4 record and a 5.43 ERA between the two teams. He spent 2017 with both Wilmington and the Northwest Arkansas Naturals where he went a combined 15–7 with a 3.35 ERA between both clubs, and 2018 back with the Naturals where he pitched to a 10–12 record with a 5.13 ERA in 28 games. He spent 2019 with the Omaha Storm Chasers, going 8–6 with a 5.23 ERA over 25 starts, striking out 111 over innings. Griffin was added to the Royals 40-man roster following the 2019 season.Griffin made his major league debut on July 27, 2020, pitching scoreless innings to earn the win against the Detroit Tigers. On August 11, Griffin underwent Tommy John surgery. On November 30, Griffin was designated for assignment. On December 2, the Royals non-tendered Griffin, making him a free agent. On December 12, Griffin re-signed with the Royals on a minor league contract.
Griffin made 15 rehab appearances with five Royals minor league affiliates in 2021. He began the 2022 season with the Triple-A Omaha Storm Chasers. On May 20, 2022, Griffin had his contract selected by the Royals. He pitched in five games before the Royals designated him for assignment on July 11.
Toronto Blue Jays
On July 16, 2022, Griffin traded to the Toronto Blue Jays in exchange for Jonatan Bernal. Griffin pitched only once for Toronto, tossing two scoreless innings with two strikeouts. The rest of his season was spent with the Triple-A Buffalo Bisons, where he pitched to a pristine 2.31 ERA and 2-0 record with 25 strikeouts in innings pitched. He was released on November 15.Yomiuri Giants
On January 12, 2023, Griffin signed with the Yomiuri Giants of Nippon Professional Baseball. On May 13, Griffin hit a triple off of Masato Morishita of the Hiroshima Toyo Carp. He became the first Yomiuri non-Japanese pitcher to hit a triple since Toru Nishida in 1952. In his first season in Japan, he was 6–5 with a 2.75 ERA in 20 games. Griffin signed a two-year contract extension for the 2024 season on November 26. He had similar results in 2024, going 6–4 with a 3.01 ERA in 20 games.Griffin was named an NPB All-Star in 2025. In 14 appearances for the Giants, he compiled a 6-1 record and 1.62 ERA with 77 strikeouts over 78 innings of work. On December 2, 2025, Griffin and Yomiuri parted ways.