I thought Buck was actually right on on that one. Anthony Brown only landed on Toney because Toney slipped and fell. It was not a good no call, it was a great no call. I think these refs are way too jumpy with the PI over the years as I am under the belief that you have to let these players play (and yes that means no matter who they play for) both defenders and receivers. This one was pretty easy to see IMO that Toney fell and AB's contact was incidental due to that fact.
EDIT:: and actually rewatching that play, it almost looks like Toney played out the scenario in an attempt at getting the call. But either way, great no call