The Steelers signed offensive lineman J.C. Hassenauer to a one-year contract on Monday.
Hassenauer played in 15 games in 2020, starting four. He made his first NFL start against the Baltimore Ravens in Week 12, filling in for recently retired Maurkice Pouncey who was placed on the COVID-19 List on game day.
"I can't say enough about the efforts of J.C., playing center for us at every snap on short notice and really doing a good job, particularly from an assignment standpoint," said Coach Mike Tomlin the week after the game.
Hassenauer also started the following week against the Washington Football Team. In Week 15 Hassenauer stepped in and started at left guard, and started at center Week 17, when Pouncey was rested.
Take a look at photographs of Steelers C J.C. Hassenauer from the 2020 season

Pittsburgh Steelers center J.C. Hassenauer (60) and Pittsburgh Steelers offensive lineman Kevin Dotson (69) during a regular season game between the Pittsburgh Steelers and the Cleveland Browns, Sunday, Jan. 3, 2021 in Cleveland, OH. The Browns defeated the Steelers 24-22. (Karl Roser / Pittsburgh Steelers)

The Pittsburgh Steelers offense during a regular season game between the Pittsburgh Steelers and the Cleveland Browns, Sunday, Jan. 3, 2021 in Cleveland, OH. The Browns defeated the Steelers 24-22. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Cleveland Browns, Sunday, Jan. 3, 2021 in Cleveland, OH. The Browns defeated the Steelers 24-22. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) warms up prior to a regular season game between the Pittsburgh Steelers and the Cleveland Browns, Sunday, Jan. 3, 2021 in Cleveland, OH. The Browns defeated the Steelers 24-22. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Washington Football Team, Monday, Dec. 7, 2020 in Pittsburgh, PA. The Washington Football Team defeated the Steelers 23-17. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Washington Football Team, Monday, Dec. 7, 2020 in Pittsburgh, PA. The Washington Football Team defeated the Steelers 23-17. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Washington Football Team, Monday, Dec. 7, 2020 in Pittsburgh, PA. The Washington Football Team defeated the Steelers 23-17. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Baltimore Ravens, Wednesday, Dec. 2, 2020 in Pittsburgh, PA. The Steelers beat the Ravens 19-14. (Dave Arrigo / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Washington Football Team, Monday, Dec. 7, 2020 in Pittsburgh, PA. The Washington Football Team defeated the Steelers 23-17. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) and Pittsburgh Steelers guard David DeCastro (66) during a regular season game between the Pittsburgh Steelers and the Washington Football Team, Monday, Dec. 7, 2020 in Pittsburgh, PA. The Washington Football Team defeated the Steelers 23-17. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Washington Football Team, Monday, Dec. 7, 2020 in Pittsburgh, PA. The Washington Football Team defeated the Steelers 23-17. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Washington Football Team, Monday, Dec. 7, 2020 in Pittsburgh, PA. The Washington Football Team defeated the Steelers 23-17. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Indianapolis Colts, Sunday, Dec. 27, 2020 in Pittsburgh, PA. The Steelers beat the Colts 28-24. (Jared Wickerham / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Cleveland Browns, Sunday, Jan. 3, 2021 in Cleveland, OH. The Browns beat the Steelers 24-22. (Caitlyn Epes / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Buffalo Bills, Sunday, Dec. 13, 2020 in Buffalo, NY. The Bills defeated the Steelers 26-15. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Buffalo Bills, Sunday, Dec. 13, 2020 in Buffalo, NY. The Bills defeated the Steelers 26-15. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Cleveland Browns, Sunday, Jan. 3, 2021 in Cleveland, OH. The Browns beat the Steelers 24-22. (Caitlyn Epes / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Baltimore Ravens, Wednesday, Dec. 2, 2020 in Pittsburgh, PA. The Steelers defeated the Ravens 19-14. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) and Pittsburgh Steelers quarterback Ben Roethlisberger (7) during a regular season game between the Pittsburgh Steelers and the Baltimore Ravens, Wednesday, Dec. 2, 2020 in Pittsburgh, PA. The Steelers defeated the Ravens 19-14. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Baltimore Ravens, Wednesday, Dec. 2, 2020 in Pittsburgh, PA. The Steelers beat the Ravens 19-14. (Jared Wickerham / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Baltimore Ravens, Wednesday, Dec. 2, 2020 in Pittsburgh, PA. The Steelers beat the Ravens 19-14. (Caitlyn Epes / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Baltimore Ravens, Wednesday, Dec. 2, 2020 in Pittsburgh, PA. The Steelers defeated the Ravens 19-14. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Baltimore Ravens, Wednesday, Dec. 2, 2020 in Pittsburgh, PA. The Steelers defeated the Ravens 19-14. (Karl Roser / Pittsburgh Steelers)

Pittsburgh Steelers center J.C. Hassenauer (60) during a regular season game between the Pittsburgh Steelers and the Baltimore Ravens, Wednesday, Dec. 2, 2020 in Pittsburgh, PA. (Karl Roser / Pittsburgh Steelers)
Hassenauer originally joined the Steelers in 2019 and spent time that season on the team's active roster and practice squad.
Hassenauer, who played for the Birmingham Iron of the AAF, signed with the Atlanta Falcons as an undrafted rookie free agent following the 2018 NFL Draft. He was released by the Falcons prior to the start of the regular season but was added to the practice squad where he spent part of the season.
Hassenauer played college ball at the University of Alabama where he provided depth at both center and guard. He played in eight games his senior season, starting three, including the National Championship game.