Tristan Robert Beck is an American professional baseball pitcher for the San Francisco Giants of Major League Baseball (MLB). He played college baseball for the Stanford Cardinal. The Atlanta Braves selected Beck in the fourth round of the 2018 MLB draft, and traded him to the Giants in 2019. He made his MLB debut in 2023.
The Atlanta Braves selected Beck in the fourth round of the 2018 MLB draft. He signed for a signing bonus of $900,000, and spent his first professional season with the Gulf Coast League Braves, pitching 4+2⁄3 scoreless innings. Beck began 2019 with the Florida Fire Frogs, pitching to a 2–2 record with a 5.65 ERA over eight starts, and 36+2⁄3 innings in which he struck out 39 batters, and then nine innings over two starts for the GCL Braves in which he gave up four earned runs and struck out 14 batters.
San Francisco Giants
On July 31, 2019, the Braves traded Beck and Daniel Winkler to the San Francisco Giants in exchange for relief pitcher Mark Melancon. Beck was assigned to the San Jose Giants, and spent the remainder of the year there, going 3–2 with a 2.27 ERA over six starts, in 35+2⁄3 innings striking out 37 batters. He was selected to play in the Arizona Fall League for the Scottsdale Scorpions following the 2019 season, and was 1–2 with a 3.63 ERA in 22+1⁄3 innings in which he struck out 23 batters. Beck did not play professionally in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic.
Beck began the 2021 season with the Richmond Flying Squirrels of Double-A Northeast. Playing for Giants Black, San Jose, and Richmond he was 4–5 with a 6.27 ERA in 12 games (10 starts) in which he pitched 37+1⁄3 innings and struck out 29 batters. In 2022, he pitched for Richmond and the Sacramento River Cats of the Triple-A Pacific Coast League. He was a combined 5–9 with a 5.25 ERA as in 23 games (22 starts) he pitched 111+1⁄3 innings and struck out 116 batters. On November 15, 2022, the Giants added Beck to their 40-man roster to protect him from being eligible in the Rule 5 draft.
The Giants optioned to Triple-A Sacramento to begin the 2023 season. On April 19, Beck was promoted to the major leagues for the first time after Alex Wood was placed on the injured list. He made his major league debut on April 20, tossing 5.1 innings of relief against the New York Mets.