Watch: Alex Smith Carted Off the Field vs. Texans, Will Undergo Surgery on Broken Leg

Smith left the game in the third quarter against Houston after getting his leg caught during a sack.

Washington Redskins quarterback Alex Smith will have surgery immediately after suffering a broken tibia and fibula in his right leg in Washington's 23–21 loss to Houston on Sunday, coach Jay Gruden announced. 

Smith, 34, exited the team's game against the Texans with 7:43 left in the third quarter after his leg was caught behind Kareem Jackson and J.J. Watt during a sack. Smith was carted off the field with an air cast on his leg and was ruled out for the remainder of the game. According to the CBS broadcast, Smith was taken to a local hospital by ambulance. Quarterback Colt McCoy took his place.

According to ESPN's Adam Schefter, the Redskins are bringing in a group of a quarterbacks to work out Monday, including EJ Manuel, TJ Yates and Mark Sanchez. The team needs a new backup for McCoy.

Warning: This video contains disturbing images

Smith's injury prompted an immediate reaction from former Redskins quarterback Joe Theismann, whose NFL career ended after he broke his leg while being sacked by New York Giants linebackers Lawrence Taylor and Harry Carson during a game. Theismann suffered his injury exactly 33 years ago.

Smith went 13-of-28 for 135 yards and two interceptions before leaving the game. Smith's contract runs through 2022 in Washington.