Oct 18, 2020; Tennessee Titans offensive tackle Taylor Lewan (77) on the field after an injury during the second half against the Houston Texans at Nissan Stadium.  Christopher Hanewinckel-USA TODAY Sports

The Titans fear that tackle Taylor Lewan has suffered a torn ACL, according to Jay Glazer of FOX Sports. Chris  Mortensen of ESPN.com (on Twitter) has also confirmed the news, though Lewan won’t officially know the diagnosis until he undergoes an MRI.

Lewan went down in the third quarter of the Titans’ win over the Texans on Sunday. The Titans replaced him with Ty Sambrailo and went on to win 42-36, keeping their undefeated record in tact. Sambrailo allowed J.J. Watt to blow past him and gave up a sack – a sign that they could be in trouble without their three-time Pro Bowl left tackle.

Lewan, the No. 11 overall pick in the 2014 draft, started in at least 15 games between 2015 and 2018, earning Pro Bowl nods in every year  from ’16 through ’18. Despite last year’s suspension, the 29-year-old  has blossomed into one of the league’s better tackles.

Sambrailo figures to take over, but the Titans could also consider moving tackle Dennis Kelly over to the left side. First-round pick Isaiah Wilson, who was shelved on the NFL’s Reserve/COVID-19 list, could also be an option as he returned to practice earlier this week.

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