What happened: NFL field director Nick Pappas confirmed that the playing surface in Rio has passed all league guidelines. The league has also been in correspondence with the NFLPA and both teams regarding the conditions.
Why it matters: The turf will be under the microscope as the Cowboys and Ravens play in Rio. Field safety on international surfaces is heavily scrutinized by the players' association.
By the numbers: The Baltimore Ravens enter the game at 4-1, while the Dallas Cowboys are 3-2. Baltimore is favored by 3.5 points with an 5.
What to watch: Watch how the field holds up during early game action and whether players experience any footing issues.