Down clue:
Wide receiver on slant in Cowboys’ drive (7)
wide receiver: WR (standard abbreviation)
slant: ANGLE
Cowboys: Dallas football team
drive: see def below, but also what cowboys do to herd cattle, or wrangle
A slant route is a pattern where the receiver runs up the field at approximately a 45-degree angle, heading to the gap between the linebackers and the linemen.
https://www.sportsfeelgoodstories.com/a-drive-in-football/