Tate Southisene

Tate Southisene (born October 6, 2006) is an American professional baseball shortstop in the Atlanta Braves organization.

Amateur career Southisene attended Basic Academy of International Studies in Henderson, Nevada. As a senior, he hit .495 with nine home runs, 33 runs batted in (RBI) and 16 stolen bases, being named the Nevada Gatorade Player of the Year. Southisene played center field on baseball teams that also featured his older brother Ty, and did not start playing shortstop until Ty had graduated. He committed to play college baseball at the University of Southern California, where his brother Tee had pitched.

Professional career Southisene was selected by the Atlanta Braves in the first round with the 22nd overall selection in the 2025 Major League Baseball draft. Southisene signed with Atlanta for a $2.6 million bonus on July 17, 2025. He made his professional debut with the Augusta GreenJackets and hit .219 across 15 games.

Southisene returned to Augusta to open the 2026 season. After batting .297 with eight home runs, 30 RBI, and 36 stolen bases across 51 games, he was promoted to the Rome Emperors in June.

Personal life Southisene is one of four brothers, all of whom have strong ties to baseball. His older brothers, Ty and Tee, are twins. Ty was traded to the Toronto Blue Jays in 2026 and currently plays in the Blue Jays organization. Tee has played baseball for USC and the College of Southern Nevada. His younger brother, Troy, was committed to play baseball at Oregon State.