I think Manchin is an Indy on paper.
From wiki...
Joseph Manchin III is an American politician serving as the senior United States senator from West Virginia, a seat he has held since 2010. A member of the Democratic Party, he was the 34th governor of West Virginia from 2005 to 2010 and the 27th secretary of state of West Virginia from 2001 to 2005...
If you still don't believe me, look it up. https://en.wikipedia.org/wiki/Joe_Manchin
Manchin is just a democrat elected in a very red state. He likes to tout himself as a moderate, but when the rubber hits the road, he votes with the democrats.