Watson, the 12th overall pick in this year's draft out of Clemson, has been a breakout player for the Texans (3-4) this season and was a leading candidate for the rookie of the year award. Subsequent reports said an MRI confirmed the injury. He suffered the injury on a non-contact play. Watson was listed as a limited participant in practice with a knee injury.
Watson took over the team in the second half of Week 1, and after a slow start in Week 2, has been one of the NFL's most exciting and promising rookies.
Watson has thrown for 1,699 yards with 19 touchdowns and eight interceptions through seven games.More news: Here are the Russia-linked Facebook ads released by Congress
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The news comes on the same day Watson was named NFL Offensive Player of the Month, NFL Rookie of the Month, and NFL Offensive Player of the Week.
The 2017 National Football League season has seen so many big name stars succumb to the injury bug, it's hard to keep track.
But, for now, Tom Savage is the direction the team needs to go in for the time being, which is not exactly the ideal situation.
Watson was the only quarterback with a passer rating above 100.0 in all of his four games in October.