Pittsburgh Steelers linebacker T.J. Watt and running back Najee Harris departed Sunday's game against the Cincinnati Bengals with injuries.
Watt suffered a left pectoral injury late in regulation before the Steelers and Bengals headed to overtime. He is slated to undergo further evaluation on Monday.
Reports said Watt, the reigning NFL Defensive Player of the Year and a four-time Pro Bowl selection, was seen on the television broadcast mouthing the words, "I tore my pec."
Watt had one interception, one sack and three tackles for loss in a strong performance versus Cincinnati that included six total tackles and two pass breakups.
Last season, Watt tied Michael Strahan (2001) for the most sacks (22.5) in a season since the stat became official in 1982.
Harris injured his foot and limped off the field, also occurring late in the fourth quarter.
Harris had 23 rushing yards on 10 carries but also caught two passes, including a 1-yard touchdown in the second quarter.
The Steelers beat the Bengals 23-20 on a 53-yard field goal conversion by Chris Boswell as time expired in the extra period.
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