Houston Texans quarterback Deshaun Watson (4) and Carolina Panthers quarterback Cam Newton (1) shake hands on Wednesday, Aug. 9, 2017, in Charlotte, N.C. (Logan Bowles / NFL)

Carolina Panthers running back Christian McCaffrey (22) and Houston Texans quarterback Deshaun Watson (4) shake hands on Wednesday, Aug. 9, 2017, in Charlotte, N.C. (Logan Bowles / NFL)

Houston Texans defensive end J.J. Watt (99) and Carolina Panthers quarterback Cam Newton (1) shake hands on Wednesday, Aug. 9, 2017, in Charlotte, N.C. (Logan Bowles / NFL)

Carolina Panthers quarterback Garrett Gilbert (4) is hit by Houston Texans defensive tackle Brandon Dunn (92) during the second half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Jason E. Miczek)

Carolina Panthers inside linebacker Jared Norris (52) hits Houston Texans quarterback Deshaun Watson (4) during the second half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Jason E. Miczek)

Carolina Panthers wide receiver Damiere Byrd (18) scores a touchdown in the end zone against Houston Texans defensive back Marcus Gilchrist (21) during the second half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Jason E. Miczek)

Houston Texans head coach Bill O'Brien walks the sidelines against the Carolina Panthers during the second half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Jason E. Miczek)

Houston Texans quarterback Deshaun Watson (4) celebrates after running in a touchdown during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (Logan Bowles/NFL)

Houston Texans running back D'Onta Foreman (27) leaps over Carolina Panthers cornerback Cole Luke (32) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C.

Carolina Panthers quarterback Cam Newton, right speaks with Carolina Panthers kicker Graham Gano (9) during the first half of an NFL preseason football game against the Houston Texans, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Mike McCarn)

Houston Texans wide receiver Dres Anderson (17) misses the catch against Carolina Panthers defensive back Teddy Williams (21) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Jason E. Miczek)

Carolina Panthers tight end Greg Olsen (88) runs against Houston Texans free safety Kurtis Drummond (23) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Jason E. Miczek)

Houston Texans running back Alfred Blue (28) runs near Carolina Panthers defensive back Dezmen Southward (37) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers running back Christian McCaffrey (22) runs the ball in a game against the Houston Texans on Wednesday, Aug. 9, 2017, in Charlotte, N.C. (Logan Bowles / NFL)

Houston Texans running back Alfred Blue (28) runs against Carolina Panthers defensive back Dezmen Southward (37) and Carolina Panthers defensive end Daeshon Hall (74) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Jason E. Miczek)

Carolina Panthers linebacker David Mayo (55) makes the tackle on Houston Texans running back Tyler Ervin (34) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Jason E. Miczek)

Carolina Panthers head coach Ron Rivera, left, speaks with Houston Texans head coach Bill O'Brien before the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Jason E. Miczek)

Carolina Panthers wide receiver Kelvin Benjamin (13) makes the catch against Houston Texans cornerback Kevin Johnson (30) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Jason E. Miczek)

Carolina Panthers defensive tackle Kawann Short (99) tackles Houston Texans quarterback Tom Savage (3) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers wide receiver Damiere Byrd (18) runs against the Houston Texans during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Mike McCarn)

Houston Texans running back Alfred Blue (28) runs to the end zone for a touchdown against Carolina Panthers defensive back Dezmen Southward (37) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Mike McCarn)

Houston Texans running back Alfred Blue (28) celebrates his touchdown with team mates against the Carolina Panthers during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers wide receiver Kelvin Benjamin (13) is chased by Houston Texans free safety Andre Hal (29) and Houston Texans cornerback Kevin Johnson (30) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (Logan Bowles/NFL)

Houston Texans wide receiver Jaelen Strong (11) runs against Carolina Panthers defensive back Teddy Williams (21) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers inside linebacker Jared Norris (52) causes a fumble on Houston Texans tight end Evan Baylis (81) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. The Carolina Panthers recovered the ball. (AP Photo/Jason E. Miczek)

Houston Texans running back Tyler Ervin (34) is hit by Carolina Panthers linebacker David Mayo (55) during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Mike McCarn)

Carolina Panthers head coach Ron Rivera walks the sidelines against the Houston Texans during the first half of an NFL preseason football game, Wednesday, Aug. 9, 2017, in Charlotte, N.C. (AP Photo/Mike McCarn)