Jonah Cox

Cox attended Flatirons Academy in Westminster, Colorado and played college baseball at Butler Community College, Eastern Oklahoma State College and Oral Roberts University.^[1] With Oral Roberts in 2023, he had a 47-game hitting streak, which was tied for the third highest in NCAA history.^[2][3]

The Oakland Athletics selected Cox in the sixth round of the 2023 Major League Baseball draft. He spent his first professional season with the Arizona Complex League Athletics and Stockton Ports.^{[citation needed]}

On February 2, 2024, the Athletics traded Cox to the San Francisco Giants for Ross Stripling and cash.^[4] He played 2024 with the San Jose Giants and Eugene Emeralds and 2025 with Eugene. Cox started 2026 with the Richmond Flying Squirrels.^[5][6]

On May 31, 2026, Cox was promoted to the major leagues for the first time.^[7] He made his major league debut later that day as a pinch-runner, scoring from first base on a single from Rafael Devers and recording his first major league hit off of Colorado Rockies catcher Brett Sullivan.^[8] On June 5, Cox hit his first career home run off of Carson Kelly of the Chicago Cubs; in doing so, he became the first player to record his first career hit and home run off of position players since Mitch Walding in 2018.^[9]

His father, Darron Cox, played in Major League Baseball.^[10]