Siemian, 34, adds depth behind newcomer Tua Tagovailoa and 2024 first-round pick Michael Penix Jr.
Terms weren’t disclosed for Siemian, who last appeared in an NFL regular-season game in 2023 with the New York Jets. He spent most of the 2024 and 2025 campaigns on the Tennessee Titans’ practice squad.
Siemian is 15-18 as a starter, completing 58.5% of his passes for 7,751 yards, 44 touchdowns and 32 interceptions in 40 games with the Denver Broncos (2015-17), Jets (2019, 2023), New Orleans Saints (2021) and Chicago Bears (2022). He has rushed for 251 yards and two scores.
The Broncos drafted Siemian in the seventh round in 2015.
