Sieler has played six NFL games over two seasons with Baltimore and totaled four tackles.
He spent the entire 2018 season on Baltimore’s active roster and was on the team’s practice squad this season before being promoted to the active roster Oct. 5.
Sieler originally entered the NFL as a seventh-round pick of the Ravens in 2018.
Prince appeared in four games with two starts for the Dolphins. He was inactive for the other eight games.
He originally entered the NFL as a sixth-round pick of the Dolphins in 2019.