Zach Sieler holds the RDT · Starter spot in Miami Dolphins’s defensive tackle room. Where he sits among the room’s front-line roles:

Zach Sieler played 17 games in 2025 with a 73% snap share.

Zach Sieler is a 6'6", 290-pound right defensive tackle for the Miami Dolphins. The Pinckney, Michigan native was selected in the seventh round (238th overall) by Baltimore in 2018 out of Ferris State. Entering his ninth season, Sieler recorded 5.5 sacks and one pass defended in 2025. He is under contract with Miami through a three-year deal.

Ferris Statethrough 2017

Ravens2018

Dolphins2019 — present

CollegeFerris StateDraftRound 7 · No. 238 overall · 2018 · BALAcquiredAcquired from Baltimore Ravens · drafted thereHometownPinckney, MI