Waller was ruled out with a hamstring injury Monday night after just six plays against Kansas City. He left the field early in the first half and returned to the sideline to open the second in street clothes.
Head coach Josh McDaniels told reporters in his postgame news conference that he does not believe Waller's injury is "super significant."
The former Pro Bowler's evening ended with no catches, no targets and five routes run on those six snaps. His final snap was on a fourth-and-1 play in the first quarter that resulted in a Derek Carr-to-Davante Adams 58-yard touchdown pass.
On the eve of the 2022 season, Waller came to terms on a three-year, $51 million extension. Heading into Monday, Waller had tallied 16 receptions for 175 yards and a touchdown in four starts.
The Raiders have a bye in Week 6 before hosting the Houston Texans on Oct. 23.