Theo Gillen

Theo Gillen: live stats, Statcast data and splits for the Tampa Bay Rays outfielder.

Theo Gillen's 2026 season

Theo Gillen spent 2026 in the Tampa Bay Rays system, playing 116 games between High-A Bowling Green Hot and Double-A Montgomery. The outfielder batted .315/.419/.546 with 22 home runs, 44 stolen bases and 74 walks over 533 plate appearances.

Gillen opened with Bowling Green Hot and hit .342/.449/.589 with 12 home runs in 57 games before his promotion to Double-A Montgomery on June 23. He reached Double-A at 20, more than three years younger than the average Southern League hitter, and hit .288/.390/.504 with 10 home runs in 59 games there.

PODCAST: Why trading Logan Gilbert should be on the table, blockbuster prospect trades, Ryan Sloan’s trade value

Baseball Things podcast: why the Seattle Mariners should consider trading Logan Gilbert, blockbuster prospect deals and Ryan Sloan’s value.

PODCAST: 3B Prospects, how the D improves, every arbitration decision

Baseball Things podcast: the Seattle Mariners' third base prospects, how the defense gets better, and a call on every arbitration case.

The J.P. Crawford Paradox

J.P. Crawford has provided leadership and a steady presence on the club's roster, but time may have just run out on the former first-round pick.

PODCAST: 3 Mariners players that should be on the trade block

Baseball Things podcast: Jason A. Churchill names three Seattle Mariners players who should be on the trade block this offseason.

Theo Gillen's 2026 season

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PODCAST: Why trading Logan Gilbert should be on the table, blockbuster prospect trades, Ryan Sloan’s trade value

PODCAST: 3B Prospects, how the D improves, every arbitration decision

The J.P. Crawford Paradox

PODCAST: 3 Mariners players that should be on the trade block