Can you name a POTUS election year that voters reelected a POTUS, but voted out those in the same party?
Last I checked Senators were elected by state voters and not by national voters.
Can you name a POTUS election year that voters reelected a POTUS, but voted out those in the same party?
Is this what you base your 'guess' on?
Don't you have any state data to backup your 'guess'?