Cooper Rush with the Dallas Cowboys

August 17, 2019; Honolulu, HI, USA; Los Angeles Rams linebacker Troy Reeder (95) commits an illegal hit on Dallas Cowboys quarterback Cooper Rush (7) during the third quarter at Aloha Stadium.

Aug 17, 2019; Honolulu, HI, USA; Dallas Cowboys quarterback Cooper Rush (7) throws the ball in the second half against the Los Angeles Rams at Aloha Stadium.The Cowboys defeated the Rams 14-10.

Aug 17, 2019; Honolulu, HI, USA; Dallas Cowboys quarterback Cooper Rush (7) throws the ball under pressure from Los Angeles Rams linebacker Josh Carraway (42) at Aloha Stadium.The Cowboys defeated the Rams 14-10.

Aug 1, 2019; Oxnard, CA, USA; Dallas Cowboys quarterback Dak Prescott (second from left) and quarterback Cooper Rush (left) warm up during training camp at Marriott Residence Inn at River Ridge.

Aug 17, 2019; Honolulu, HI, USA; Dallas Cowboys quarterback Cooper Rush (7) throws the ball under pressure from Los Angeles Rams linebacker Josh Carraway (42) and defensive tackle Bryant Jones (62) at Aloha Stadium.The Cowboys defeated the Rams 14-10.

Aug 24, 2019; Arlington, TX, USA; Dallas Cowboys quarterback Cooper Rush (7) throws in the pocket against the Houston Texans at AT&T Stadium.

Aug 24, 2019; Arlington, TX, USA; Dallas Cowboys quarterback Cooper Rush (7) throws in the pocket against the Houston Texans at AT&T Stadium.

Aug 24, 2019; Arlington, TX, USA; Dallas Cowboys quarterback Cooper Rush (7) throws a pass in the second quarter against the Houston Texans at AT&T Stadium.

Aug 24, 2019; Arlington, TX, USA; Dallas Cowboys quarterback Cooper Rush (7) throws a pass in the second quarter against the Houston Texans at AT&T Stadium.

Aug 24, 2019; Arlington, TX, USA; Dallas Cowboys quarterback Cooper Rush (7) throws a pass in the second quarter against the Houston Texans at AT&T Stadium.

Dallas Cowboys quarterback Dak Prescott (4) with quarterback Cooper Rush (7) on the sidelines during the game against Indianapolis Colts at AT&T Stadium.

Cooper Rush #7 of the Dallas Cowboys at AT&T Stadium on October 14, 2018 in Arlington, Texas.

Cooper Rush #7 of the Dallas Cowboys throws a pass during warm ups before the game against the Jacksonville Jaguars at AT&T Stadium on October 14, 2018 in Arlington, Texas.

Cooper Rush #7 of the Dallas Cowboys stands on the field during warm-ups before the game against the Jacksonville Jaguars at AT&T Stadium on October 14, 2018 in Arlington, Texas.

Cooper Rush #7 of the Dallas Cowboys warms up before the game against the Houston Texans at NRG Stadium on October 7, 2018 in Houston, Texas.

Cooper Rush #7 of the Dallas Cowboys throws a pass in the first half defended by Nick Thurman #68 of the Houston Texans during the preseason game at NRG Stadium on August 30, 2018 in Houston, Texas.

Cooper Rush #7 of the Dallas Cowboys passes the ball against the Arizona Cardinals in a preseason football game at AT&T Stadium on August 26, 2018 in Arlington, Texas.

Cooper Rush #7 of the Dallas Cowboys huddles with the team during a preseason football game against the Arizona Cardinals at AT&T Stadium on August 26, 2018 in Arlington, Texas.

Cooper Rush #7 of the Dallas Cowboys hands the ball off to Rod Smith #45 of the Dallas Cowboys in the first quarter of a preseason football game against the Arizona Cardinals at AT&T Stadium on August 26, 2018 in Arlington, Texas.

Cooper Rush #7 of the Dallas Cowboys huddles with the team during a preseason football game agaisnt the Arizona Cardinals at AT&T Stadium on August 26, 2018 in Arlington, Texas.

Cooper Rush #7 of the Dallas Cowboys goes to pass in the second quarter against the Arizona Cardinals at AT&T Stadium on August 26, 2018 in Arlington, Texas.

Cooper Rush #7 of the Dallas Cowboys throws a pass against the San Francisco 49ers in the second quarter of their NFL preseason football game at Levi's Stadium on August 9, 2018 in Santa Clara, California.

HOUSTON, TX - AUGUST 30: Cooper Rush #7 of the Dallas Cowboys throws a pass in the first half of the preseason game against the Houston Texans at NRG Stadium on August 30, 2018 in Houston, Texas.

Dallas Cowboys quarterback Cooper Rush (7) throws a touchdown in the fourth quarter against the Oakland Raiders at AT&T Stadium.

Dallas Cowboys quarterback Cooper Rush (7) scrambles out of the pocket before throwing a pass in the second half of a preseason NFL football game against the Oakland Raiders on Saturday, Aug. 26, 2017, in Arlington, Texas.

James Cowser #47 of the Oakland Raiders and Denico Autry #96 of the Oakland Raiders combine hit Cooper Rush #7 of the Dallas Cowboys after he got a pass off in the second half of a preseason game at AT&T Stadium on August 26, 2017 in Arlington, Texas.

James Cowser #47 of the Oakland Raiders pursues Cooper Rush #7 of the Dallas Cowboys as a flag is thrown in the second half of a preseason game at AT&T Stadium on August 26, 2017 in Arlington, Texas.

Dallas Cowboys quarterback Cooper Rush (7) throws under pressure from Oakland Raiders defensive end James Cowser (47) who lost his helmet on the play at AT&T Stadium.

Dallas Cowboys quarterback Cooper Rush (7) scrambles against the Oakland Raiders at AT&T Stadium.

Dallas Cowboys quarterback Cooper Rush (7) throws a pass in the second half of a preseason NFL football game against the Oakland Raiders on Saturday, Aug. 26, 2017, in Arlington, Texas.

Dallas Cowboys' Emmett Cleary (63) and Byron Bell (75) provide protection as quarterback Cooper Rush throws a pass in the second half of a preseason NFL football game against the Oakland Raiders on Saturday, Aug. 26, 2017, in Arlington, Texas.

Cooper Rush #7 of the Dallas Cowboys looks for an open receiver in the second half of a preseason game against the Oakland Raiders at AT&T Stadium on August 26, 2017 in Arlington, Texas.

Dallas Cowboys quarterback Cooper Rush (7) runs the ball for a first down as Oakland Raiders linebacker James Cowser (47) attempts the stop in the second half of a preseason NFL football game, Saturday, Aug. 26, 2017, in Arlington, Texas.

Dallas Cowboys' Cooper Rush runs the ball as Oakland Raiders linebacker James Cowser (47) gives chase in the second half of a preseason NFL football game, Saturday, Aug. 26, 2017, in Arlington, Texas.

Dallas Cowboys quarterback Cooper Rush (7) throws a pass in the second half of a preseason NFL football game against the Oakland Raiders on Saturday, Aug. 26, 2017, in Arlington, Texas.

Dallas Cowboys quarterback Cooper Rush (7) rolls out of the pocket to pass in the second half of a preseason NFL football game against the Oakland Raiders on Saturday, Aug. 26, 2017, in Arlington, Texas.

Dallas Cowboys quarterback Cooper Rush (7) in action during the game against Indianapolis Colts at AT&T Stadium.

Cooper Rush #7 of the Dallas Cowboys is greeted on the sidelines by Brice Butler #19 of the Dallas Cowboys and Dez Bryant #88 of the Dallas Cowboys after throwing a touchdown pass in the second half of a preseason game at AT&T Stadium on August 19, 2017 in Arlington, Texas.

Dallas Cowboys wide receiver Noah Brown (85) and quarterback Cooper Rush (7) celebrate a touchdown during a preseason NFL football game against the Indianapolis Colts on Saturday, Aug. 19, 2017, in Arlington, Texas.

Dallas Cowboys receiver Noah Brown (85) celebrates a third quarter touchdown with quarterback Cooper Rush (7) against the Indianapolis Colts at AT&T Stadium.

Dallas Cowboys quarterback Cooper Rush (7) prepares to throw a pass in the second half of a preseason NFL football game against the Indianapolis Colts on Saturday, Aug. 19, 2017, in Arlington, Texas.

Dallas Cowboys quarterback Cooper Rush (7) prepares to throw a pass in the second half of a preseason NFL football game against the Indianapolis Colts on Saturday, Aug. 19, 2017, in Arlington, Texas.

Cooper Rush #7 of the Dallas Cowboys throws a pass during the preseason game against the Los Angeles Rams at the Los Angeles Memorial Coliseum on August 12, 2017 in Los Angeles, California.

Dallas Cowboys quarterback Cooper Rush (7) shakes hands with head coach Jason Garrett during the second half of a preseason NFL football game against the Los Angeles Rams Saturday, Aug. 12, 2017, in Los Angeles.

Dallas Cowboys head coach Jason Garrett (left) fist bumps quarterback Cooper Rush (7) against the Arizona Cardinalsduring the fourth quarter at Tom Benson Hall of Fame Stadium.

Dallas Cowboys quarterback Cooper Rush (7) dives for a first down in front of Arizona Cardinals cornerback Rudy Ford (30) during the second half of the Pro Football Hall of Fame NFL preseason game in Canton, Ohio, Thursday, Aug. 3, 2017. Dallas won 20-18.

Dallas Cowboys quarterback Cooper Rush (7) looks to throw against the Arizona Cardinals during the second half of the Pro Football Hall of Fame NFL preseason game in Canton, Ohio, Thursday, Aug. 3, 2017. The Cowboys defeated the Cardinals 20-18.

Dallas Cowboys quarterback Cooper Rush (7) scrambles with the ball against the Arizona Cardinals during the fourth quarter at Tom Benson Hall of Fame Stadium.

Dallas Cowboys quarterback Cooper Rush (7) carries the ball against the Arizona Cardinals in the second half at the Tom Benson Hall of Fame Stadium.