The
San Diego Padres selected Merrill in the first round, with the 27th overall pick, in the
2021 Major League Baseball draft. He signed with San Diego for a $1.8 million
signing bonus. Merrill was assigned to the
rookie-level Arizona Complex League Padres to start his professional career. Over 31 games and 107
at-bats, Merrill
slashed .280/.339/.383 with seven
doubles, two
triples, 10
RBIs, 10
walks, and 27
strikeouts. Merrill opened the 2022 season with the
Lake Elsinore Storm of the
Single-A California League. In 45 games, he hit .325/.387/.482 with five home runs, 34 RBI, and eight
stolen bases. Merrill split the 2023 season between the High–A
Fort Wayne TinCaps and Double–A
San Antonio Missions, playing in 114 total games and batting .277/.326/.444 with 15 home runs, 64 RBI, and 15 stolen bases. On March 19, 2024, the Padres selected Merrill's contract and added him to their
Opening Day roster. Merrill made his major league debut the following day against the
Los Angeles Dodgers in the
Seoul Series. On July 7, 2024, he was named as a reserve player in the
2024 MLB All-Star Game, becoming the first rookie in Padres history to ever make the
All-Star Game. In
Game 2 of the National League Division Series against the Los Angeles Dodgers, Merrill hit a two-run home run in the top of the eighth to extend the Padres' lead to 6–1, which marked his first postseason home run in his career. On April 2, 2025, the Padres signed Merrill to a 9-year contract extension worth $135m guaranteed. ==References==