Cowboys cornerback Terence Newman is unlikely to play in the team's season opener, according to two sources. No decision has been finalized, but Newman has not practiced since straining his groin Aug. 4, days after the cornerback Nnamdi Asomugha opted to sign with Philadelphia instead of Dallas. The original timetable for Newman's recovery was four to six weeks, which would have allowed him to return for Sunday night's game against the Jets.