FILE - In this May 22, 2019 file photo Dallas Cowboys running back Ezekiel Elliott (21) walks off the field after NFL football practice in Frisco, Texas. Elliott won't face criminal charges in Las Vegas stemming from a scuffle with a security guard at a music festival in May. Clark County District Attorney Steve Wolfson said Tuesday, Aug. 20, 2019, he and police concluded the results of an investigation "lacked prosecutorial merit." (AP Photo/Michael Ainsworth, file)

Dallas Cowboys quarterback Dak Prescott throws a pass during the first half of the team's preseason NFL football game against the Los Angeles Rams on Saturday, Aug. 17, 2019, in Honolulu. (AP Photo/Mark J. Terrill)

FILE - In this Sunday, Dec. 23, 2018 file photo, Dallas Cowboys linebacker Jaylon Smith against the Tampa Bay Buccaneers during an NFL game in Arlington, Texas. The Dallas Cowboys have given young linebacker Jaylon Smith a new contract while the holdout by Pro Bowl running back Ezekiel Elliott nears a month since the team reported to training camp. Smith’s extension was announced Tuesday, Aug. 20, 2019. (AP Photo/Andy Jacobsohn, File)

Dallas Cowboys running back Tony Pollard, center, celebrates his touchdown with teammates during the first half of a preseason NFL football game against the Los Angeles Rams on Saturday, Aug. 17, 2019, in Honolulu. (AP Photo/Mark J. Terrill)