Doug Costin (born October 5, 1997[1]) is a former American football defensive tackle.
Costin played college football at Miami University in Oxford, Ohio.
[4] On August 31, 2021, Costin was waived by the Jaguars and re-signed to the practice squad the next day.
[8] Costin signed with the Birmingham Stallions of the United States Football League on May 20, 2022,[9] and was subsequently moved to the inactive roster.
[11] On July 19, 2022, Costin signed a one-year contract with the Pittsburgh Steelers.