Question: Roger Calvin Ellis, was an American football linebacker and center who played four seasons with the New York Titans of the American Football League, he played college football at the University of Maine, a public research university, for which football team?
Sentence (from "University of Maine"): The University of Maine (also referred to as UMaine, Maine or UMO) is a public research university in Orono, Maine, United States.
Relevant evidence: Yes