Common Buzzard or Rough-Legged?

Observation - Common Buzzard or Rough-Legged?. Description: A buzzard-like bird of a similar size to a common buzzard but with white patches on the top of the wings and on the top of the tail. The bird was flying and tumbling with another buzzard (common). Could it have been a rough-legged buzzard? there are atlea

A buzzard-like bird of a similar size to a common buzzard but with white patches on the top of the wings and on the top of the tail. The bird was flying and tumbling with another buzzard (common). Could it have been a rough-legged buzzard? there are atleast three resident common buzzards in the area but this one looked different. It was broad daylight, sunny, a very slight wind, 16:30, and about 3/8 cloud cover.