The NFL has suspended Dallas Cowboys right tackle La'el Collins for five games for violating the league's substance abuse policy.

The Dallas Cowboys are expected to open the season at Super Bowl champion Tampa Bay without right guard Zack Martin after the four-time All-Pro tested positive for COVID-19.

Titans: CB Joshua Kalu, LB Derick Roberson, LB David Long Jr., OL Daniel Munyer, T Isaiah Wilson, DL Matt Dickerson. Washington: T Geron Christian, WR Isaiah Wright, DE James Smith Williams, WR Robert Foster, LB Thomas Davis, DE Casey Toohill. ___DETROIT AT ATLANTALions: QB David Blough, CB Desmond Trufant, S Miles Killebrew, OL Logan Stenberg, WR Quintez Cephus, RB Bo Scarbrough. ___GREEN BAY AT HOUSTONPackers: QB Jordan Love, CB Kevin King, S Darnell Savage, RB Tyler Ervin, RB Aaron Jones, T David Bakhtiari, DL Tyler Lancaster. Texans: WR Keke Coutee, CB John Reid, LB Peter Kalambayi, T Charlie Heck, TE Jordan Akins.

Cleveland Browns quarterback Baker Mayfield (6) celebrates on the field after their 49-38 win against the Dallas Cowboys in an NFL football game in Arlington, Texas, Sunday, Oct. 4, 2020. Mayfield threw for two touchdowns, including one set up when Garrett had a strip sack in a third straight game, and Beckham scored three times and the Cleveland Browns held on to beat the Dallas Cowboys 49-38 on Sunday. Dallas is the first team since Oakland in 2012 to allow at least 38 points in three straight games in the same season. Cowboys: C Joe Looney injured his right knee on the first offensive play of the game and didn't return. Cowboys: New York Giants in second of three straight home games next Sunday.