Thomas Darwin Eshelman (born June 20, 1994) is an American former professional baseball pitcher and current pitching coach in the San Diego Padres organization.

[8] In August, the Astros promoted Eshelman to the Quad Cities River Bandits of the Single-A Midwest League.

The Astros traded Eshelman, Mark Appel, Vince Velasquez, Brett Oberholtzer, and Harold Arauz to the Philadelphia Phillies in exchange for Ken Giles and Jonathan Araúz on December 12, 2015.

[13] Eshelman began the 2017 season with Reading, and earned a promotion to the Lehigh Valley IronPigs of the Triple-A International League in May.

[citation needed] Eshelman began the 2019 season in with Reading but was promoted back to Lehigh Valley after six starts with the team, going 0–3 with a 6.28 ERA.

[citation needed] The Phillies traded Eshelman to the Baltimore Orioles in exchange for international bonus allocations on June 10, 2019.

Eshelman had posted a 1–1 record with a 2.77 ERA, 23 strikeouts, and a complete game for Lehigh Valley at the time of the trade.

[28] He made 27 appearances split between the Double-A San Antonio Missions and Triple-A El Paso Chihuahuas, struggling to a 4-7 record and 5.76 ERA with 68 strikeouts across 114 innings pitched.

Eshelman announced his retirement from professional baseball on December 5, 2022, and that he will be joining the San Diego Padres organization as a pitching coach.