The Steelers placed linebacker Robert Spillane on the Reserve/COVID-19 List on Thursday.
Spillane has played in 10 games this season, starting one. He has a total of 17 tackles, including one for a loss.
Spillane is the third player the team placed on the list this week. Offensive lineman Joe Haeg was placed on the list on Wednesday and linebacker T.J. Watt was placed on the list on Monday.