Philip James Abner (born May 5, 2002) is an American professional baseball pitcher for the Arizona Diamondbacks of Major League Baseball (MLB). He made his MLB debut in 2025.
A native of Charlotte, North Carolina, Abner played college baseball at the University of Florida. In 2022, he played collegiate summer baseball with the Falmouth Commodores of the Cape Cod Baseball League and was named a league all-star.
The Arizona Diamondbacks selected Abner in the sixth round of the 2023 Major League Baseball draft. He made his professional debut with the Single-A Visalia Rawhide. In 2024, Abner made 26 appearances (two starts) split between the High-A Hillsboro Hops, Visalia, and the rookie-level Arizona Complex League Diamondbacks, accumulating a 3-0 record and 1.85 ERA with 38 strikeouts over 34 innings of work.
On September 18, 2025, Abner was selected to the 40-man roster and promoted to the major leagues for the first time. He would make his debut the following day against the Philadelphia Phillies, pitching for innings while letting up one hit and striking out both Kyle Schwarber and Brandon Marsh. Abner made five appearances for the Diamondbacks during his rookie campaign, recording a 4.91 ERA with five strikeouts across innings pitched.
Abner was optioned to Triple-A Reno to begin the 2026 season.