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Out to prove a point
Wales (ranked 37 in the world) are playing in Cardiff against world cup qualified Ghana (ranked 74) and will undoubtedly be out to prove a point.
Wales' matches average just over 10 corners (last 40) while Ghana's average 7.83.
As a team, Wales has earned the following corner totals in their last ten matches: 5, 5, 9, 7, 6, 2, 3, 6, 5, and 12. That 2 came against England with their highest corner totals coming against their weakest opponents (9 against North Macedonia, 7 and 12 against Liechtenstein).
For their part, Ghana conceded 9 corners to both Mexico and Germany in their last two matches while getting 3 and 4 corners themselves. In fact, they've earned 4 or more corners in eight of their last twelve matches.
All of this bodes well for Wales to go out and try to prove themselves at home to a weaker side that is going to the World Cup they failed to qualify for. As such, my bet is on an attacking game with over 8.5 corners at 1.83.

Post bet chat Mason:
9 corners wins it by the hair on my chinny chin chin