Logan Craig Gillaspie (born April 17, 1997) is an American professional baseball pitcher in the San Diego Padres organization.

[2] Gillaspie was not drafted out of Oxnard College in 2017 and joined the Monterey Amberjacks in the Pecos League, and from there was moved up to the Salina Stockade in the American Association of Professional Baseball.

Gillaspie spent the 2019 season with the Wisconsin Timber Rattlers of the Single-A Midwest League, posting a 3–7 win–loss record with a 3.96 ERA over 31 games (16 starts), striking out 92 batters over 109 innings.

He split the year between the Aberdeen IronBirds of the High-A East and the Bowie Baysox of the Double-A Northeast, going 1–3 with a 4.97 ERA over 26 relief appearances, striking out 52 batters over 41+2⁄3 innings.

[10] On November 19, 2021, the Orioles selected Gillaspie's contract and added him to their 40-man roster to protect him from the Rule 5 draft.

He made his MLB debut that night versus the New York Yankees at Oriole Park at Camden Yards, throwing two scoreless innings in relief.