Tom Savage (3) will be the Texans' starting QB on Sunday. The only other active QB will be T.J. Yates. Brett Coomer/Houston Chronicle
Houston Texans quarterback Tom Savage (3) is hit while making a pass in the second quarter of an NFL football game at NRG Stadium, Sunday, Sept. 10, 2017, in Houston. Karen Warren/Houston Chronicle
The Jacksonville Jaguars recover a fumble by Houston Texans quarterback Deshaun Watson (4) in the second half as the Houston Texans lose to the Jacksonville Jaguars 29-7 at NRG Stadium Sunday, Sept. 10, 2017 in Houston. Michael Ciaglo/Houston Chronicle
Houston Texans quarterback Tom Savage (3) is sacked by Jacksonville Jaguars defensive tackle Calais Campbell (93) during the second quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans free safety Andre Hal (29) tackles Jacksonville Jaguars running back Chris Ivory (33) in the first quarter of an NFL football game at NRG Stadium, Sunday, Sept. 10, 2017, in Houston. Karen Warren/Houston Chronicle
A pass from Houston Texans quarterback Tom Savage (3) to wide receiver DeAndre Hopkins (10) is incomplete during the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Yi-Chin Lee/Houston Chronicle
The officials signal a touchdown by Jacksonville Jaguars running back Leonard Fournette against the Houston Texans during the second quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Jacksonville Jaguars defensive tackle Malik Jackson (97) sacks Houston Texans quarterback Deshaun Watson (4) in the second half as the Houston Texans lose to the Jacksonville Jaguars 29-7 at NRG Stadium Sunday, Sept. 10, 2017 in Houston. Michael Ciaglo/Houston Chronicle
A Houston Texans fan react to Jacksonville Jaguars touchdown during the second quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Yi-Chin Lee/Houston Chronicle
Houston Texans defensive end Joel Heath (93) tackles Jacksonville Jaguars running back Leonard Fournette (27) during the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans inside linebacker Brian Cushing (56) dives in an attempt to tackle Jacksonville Jaguars running back Chris Ivory (33) during the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans inside linebacker Benardrick McKinney (55) wraps up Jacksonville Jaguars running back Leonard Fournette (27) during the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans inside linebacker Benardrick McKinney (55) wraps up Jacksonville Jaguars running back Leonard Fournette (27) during the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans quarterback Tom Savage (3) looks to throw a pass during the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans wide receiver DeAndre Hopkins (10) makes a catch in front of Jacksonville Jaguars cornerback A.J. Bouye (21) during the second quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans cornerback Kevin Johnson (30) tackles Jacksonville Jaguars running back Leonard Fournette (27) in the first quarter of an NFL football game at NRG Stadium, Sunday, Sept. 10, 2017, in Houston. Karen Warren/Houston Chronicle
Houston Texans defenders chase Jacksonville Jaguars running back Chris Ivory (33) during the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans defensive end J.J. Watt (99) attempts to sack Jacksonville Jaguars quarterback Blake Bortles (5) during the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston.
Houston Texans inside linebacker Benardrick McKinney (55) dives to try to tackle Jacksonville Jaguars running back Leonard Fournette (27) in the second quarter of an NFL football game at NRG Stadium, Sunday, Sept. 10, 2017, in Houston. Karen Warren/Houston Chronicle
Houston Texans quarterback Tom Savage (3) is hit off balance in the second quarter of an NFL football game at NRG Stadium, Sunday, Sept. 10, 2017, in Houston. Karen Warren/Houston Chronicle
Houston Texans fans watch the end of the Texans 29-7 loss to the Jacksonville Jaguars at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Jacksonville Jaguars running back Leonard Fournette (27) is hit by Houston Texans cornerback Kareem Jackson (25) during the second quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans quarterback Tom Savage (3) is sacked by Jacksonville Jaguars defensive tackle Calais Campbell (93) during the second quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans running back D'Onta Foreman (27) is stopped by Jacksonville Jaguars defensive tackle Calais Campbell (93) during the second quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Jacksonville Jaguars defensive end Yannick Ngakoue (91) reaches back to grab the jersey of Houston Texans quarterback Tom Savage (3), who went down after getting back to the line of scrimmage on the play, during the second quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans cornerback Kareem Jackson (25) breaks up a pass intended for Jacksonville Jaguars wide receiver Marqise Lee (11) during the second quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans running back Tyler Ervin (34) is stopped by Jacksonville Jaguars defensive end Dante Fowler (56) during the second quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans quarterback Deshaun Watson (4) is stopped by Jacksonville Jaguars defensive tackle Calais Campbell (93) as he scrambles out of the pocket during the fourth quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans strong safety Corey Moore (43) tackles Jacksonville Jaguars running back Leonard Fournette (27) in the second half as the Houston Texans lose to the Jacksonville Jaguars 29-7 at NRG Stadium Sunday, Sept. 10, 2017 in Houston. Michael Ciaglo/Houston Chronicle
Houston Texans running back Tyler Ervin (34) catches a pass over Jacksonville Jaguars cornerback Aaron Colvin (22) in the second half as the Houston Texans lose to the Jacksonville Jaguars 29-7 at NRG Stadium Sunday, Sept. 10, 2017 in Houston. Michael Ciaglo/Houston Chronicle
Jacksonville Jaguars running back Leonard Fournette (27) avoids a tackle by Houston Texans cornerback Kevin Johnson (30) in the second half as the Houston Texans lose to the Jacksonville Jaguars 29-7 at NRG Stadium Sunday, Sept. 10, 2017 in Houston. Michael Ciaglo/Houston Chronicle
Houston Texans running back Tyler Ervin (34) leans back for extra yards while flanked by Jacksonville Jaguars cornerback Aaron Colvin (22) and outside linebacker Myles Jack (44) in the second half as the Houston Texans lose to the Jacksonville Jaguars 29-7 at NRG Stadium Sunday, Sept. 10, 2017 in Houston. Michael Ciaglo/Houston Chronicle
Houston Texans fan Lisa Miller, of Dayton, reacts to a bad Texans play and the team is losing to Jacksonville Jaguars during the fourth quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Houston Texans lost to Jacksonville Jaguars 29-7. Yi-Chin Lee/Houston Chronicle
Houston Texans quarterback Tom Savage (3) walks off the field after the Texans 29-7 loss to the Jacksonville Jaguars at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans fans react to a bad play by the Texans during the third quarter of an NFL football game against the Jacksonville Jaguars at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Houston Texans lost to Jacksonville Jaguars 29-7. Yi-Chin Lee/Houston Chronicle
Houston Texans quarterback Deshaun Watson (4) sits on the field after making the tackle on an interception he threw in the second half as the Houston Texans lose to the Jacksonville Jaguars 29-7 at NRG Stadium Sunday, Sept. 10, 2017 in Houston. Michael Ciaglo/Houston Chronicle
Jacksonville Jaguars defensive end Yannick Ngakoue (91) is called for roughing the passer after a late hit on Houston Texans quarterback Deshaun Watson (4) in the second half as the Houston Texans lose to the Jacksonville Jaguars 29-7 at NRG Stadium Sunday, Sept. 10, 2017 in Houston. Michael Ciaglo/Houston Chronicle
Houston Texans mascot Toro performs before the Texans season opener against the Jacksonville Jaguars at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans prepares a large "Houston Strong" banner at one of the end zones during the opening ceremony of an NFL football game between the Texans and Jacksonville Jaguars at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Yi-Chin Lee/Houston Chronicle
Houston strong is projected on the big screen during the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans defensive end J.J. Watt (99) heads onto the field before the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans bring out their flags during opening ceremony before taking on Jacksonville Jaguars for an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Yi-Chin Lee/Houston Chronicle
Renee Cox, left, and Darryl Boudreaux cheer as Houston Texans defensive end J.J. Watt (99) takes the field at a Texans watch party at the shelter at NRG Center before the Houston Texans take on the Jacksonville Jaguars at NRG Stadium Sunday, Sept. 10, 2017 in Houston. The shelter, just across the street from the game, is still home to about 1,700 evacuees from Tropical Storm Harvey. ( Michael Ciaglo / Houston Chronicle)
Michael Ciaglo/Houston Chronicle
Emergency first responders are invited to carry the American flag during the opening ceremony of an NFL football game between Houston Texans and Jacksonville Jaguars at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Yi-Chin Lee/Houston Chronicle
Houston Texans defensive end J.J. Watt (99), right, and Houston Texans inside linebacker Brian Cushing (56) bow their heads during a moment of silence for victims of Tropical Storm Harvey before the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
A Houston Texans fan cheers during the first quarter of an NFL football game at NRG Stadium on Sunday, Sept. 10, 2017, in Houston. Brett Coomer/Houston Chronicle
Houston Texans defensive end J.J. Watt (99) enters the stadium before the first quarter of an NFL football game at NRG Stadium, Sunday, Sept. 10, 2017, in Houston. Karen Warren/Houston Chronicle The Texans will have two quarterbacks active Sunday against the Indianapolis Colts.
Tom Savage will start and T.J Yates, a former Texans starter signed Friday, will back him up.
Former Oakland Raiders and Penn State quarterback Matt McGloin will be the third quarterback. He's being signed to a contract Friday.
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"This situation, it was important to have a couple of guys who had an idea of what you're doing," Texans coach Bill O'Brien said of Yates and McGloin. "At least they have an idea of how a formation is called in case they have to play or a protection is called. They have a background."