Texans struggle to protect Watson in 21-7 loss to Colts

Indianapolis Colts quarterback Andrew Luck (12) is pressured by Houston Texans outside linebacker Jadeveon Clowney (90) during the first half of an NFL wild card playoff football game, Saturday, Jan. 5, 2019, in Houston. (AP Photo/Michael Wyke)

Houston Texans defensive end J.J. Watt (99) walks off the field during the second half of an NFL wild card playoff football game against the Indianapolis Colts, Saturday, Jan. 5, 2019, in Houston. (AP Photo/Eric Christian Smith)

Houston Texans quarterback Deshaun Watson (4) walks off the field after failing to connect on a fourth down against the Indianapolis Colts during the second half of an NFL wild card playoff football game, Saturday, Jan. 5, 2019, in Houston. (AP Photo/Eric Christian Smith)

Houston Texans quarterback Deshaun Watson (4) watches from the bench during the second half of an NFL wild card playoff football game against the Indianapolis Colts, Saturday, Jan. 5, 2019, in Houston. Indianapolis won 21-7. (AP Photo/Eric Christian Smith)

Houston Texans quarterback Deshaun Watson (4) walks off the field after failing to connect on a fourth down against the Indianapolis Colts during the second half of an NFL wild card playoff football game, Saturday, Jan. 5, 2019, in Houston. (AP Photo/Eric Christian Smith)

Houston Texans wide receiver DeAndre Hopkins (10) is hit by Indianapolis Colts strong safety Clayton Geathers (26) and linebacker Duke Ejiofor (53) after making a catch during the first half of an NFL wild card playoff football game, Saturday, Jan. 5, 2019, in Houston. (AP Photo/Michael Wyke)

Indianapolis Colts cornerback Pierre Desir (35) and strong safety Clayton Geathers (26) break up a pass intended for Houston Texans wide receiver DeAndre Hopkins (10) during the second half of an NFL wild card playoff football game, Saturday, Jan. 5, 2019, in Houston. (AP Photo/Eric Christian Smith)

Indianapolis Colts running back Marlon Mack (25) is hit by Houston Texans defensive end J.J. Watt (99) on a run during the first half of an NFL wild card playoff football game, Saturday, Jan. 5, 2019, in Houston. (AP Photo/Michael Wyke)