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?

Context paragraphs:
Hubert Bobo: Hubert Lee Bobo (July 2, 1934 – September 1, 1999) was an American football linebacker.  He played college football at Ohio State, and played professionally in the American Football League for the Los Angeles Chargers in 1960 and for the New York Titans from 1961–1962.  Hubert also played professionally in the Canadian Football League during the 1958 season as a member of the Hamilton Tiger-Cats.  Prior to his professional career Bobo was a dominating force in high school football as a running back, linebacker, and kicker.  Bobo still to this day holds several state of Ohio and national records for his efforts at the high school level.  After his high school career ended, Bobo attended The Ohio State University sharing a backfield with Bobby Watkins and Howard "Hopalong" Cassady helping lead the Buckeyes to an undefeated season and the 1954 National Championship.

Leon Dombrowski: Leon Raymond Dombrowski (April 9, 1938 – September 5, 1998) was an American football linebacker who played for one season in the American Football League (AFL).  He played in one game for the New York Titans in 1960 after playing college football for the Delaware Fightin' Blue Hens.  He was named to the All-East weekly college football team for his performance on October 24, 1959.

Gerhard Schwedes: Gerhard H. Schwedes (born April 23, 1938) is a former American football halfback who played two seasons in the American Football League with the Boston Patriots and New York Titans.  He was drafted by the Baltimore Colts in the fourth round of the 1960 NFL Draft.  He was also a territorial pick of the Boston Patriots in 1960 American Football League draft.  He played college football at Syracuse University, which he led to a victory in the 1960 Cotton Bowl Classic, and attended Hunterdon Central Regional High School in Flemington, New Jersey.  His son Scott Schwedes also played football at Syracuse and later the National Football League.

Gregg Carr: Gregg Kevin Carr, M.D. (born March 31, 1962) is currently an orthopedic surgeon practicing at Southern Orthopaedic Specialists in Birmingham, Alabama and a former professional American football linebacker in the National Football League (NFL) where he played four seasons for the Pittsburgh Steelers (1985–1988).  Carr was an All-American college football linebacker at Auburn University (1981 - 1984) and later attended the University of Alabama School of Medicine.

Roger Ellis: Roger Calvin Ellis (February 1, 1938 – May 14, 2008) 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 for the Maine Black Bears football team.

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.  The university was established in 1865 as a land grant college and is the flagship university of the University of Maine System.  The University of Maine is one of only nine land, sea and space grant institutions in the nation.

Bob O'Neil: Robert Maioli O'Neil was an American football guard, defensive end and linebacker who played three seasons with two different teams of the NFL.  The Pittsburgh Steelers and the New York Titans.  He played college football at Duquesne University for the Duquesne Dukes football team and the Notre Dame Fighting Irish football team.  He also played for the Calgary Stampeders and Montreal Alouettes of the Canadian Football League.

Nick Mumley: Nicholas "Nick" Mumley, Jr. (born January 26, 1937) was an American football player.  He grew up in Wheeling, West Virginia, and attended Wheeling High School.  He then enrolled at Purdue University where he played college football at the tackle position for the Purdue Boilermakers football team from 1956 to 1957.  He was selected by the International News Service as a second-team player on its 1957 College Football All-America Team.  He later played professional football in the American Football League, appearing in 42 games as a tackle and defensive end for the New York Titans (later renamed the Jets) from 1960 to 1962.

Fred Hageman: Fred John Hageman (born June 30, 1937 in Bunkie, Louisiana) is a former American football linebacker in the National Football League for the Washington Redskins.  He played college football at the University of Arkansas and University of Kansas, and was drafted in the 2nd round in 1959 by the Oakland Raiders but did not report and returned to Kansas to finish his undergraduate degree and play out his senior season where he was a 2 time All Big 8 selection as a center and middle linebacker.  He was a Tri-Captain and played in 4 post season games including the College All-Star game with numerous All Americans.  Was drafted in the 7th round of the 1960 NFL Draft by the New York Giants and was immediately traded to Washington for cash and a high draft pick.  He was the "Tribe's" defensive leader and starting middle linebacker upon reporting to camp.  He was a runner-up for Rookie of the Year as a middle linebacker and played more minutes than any other player in the NFL in 1961.  After his first stellar season, he was moved to starting Center where he played at an elite level.  He was traded to the Chicago Bears in 1965, where he was injured in a pre-season game.  Although urged to return by many, Fred returned to Kansas and earned his master's degree in Education.  He went on to a very successful business career.  The "gentle giant" at a huge 6 foot 5 and 255 pounds of solid muscle with world class speed, Fred was named as Kansas University's "Center of the Century" and was named to its first team "All-Time KU Football Team" along with the likes of Gayle Sayers, John Hadl and other NFL greats.  Known as "Pappy" to many, he led KU's team, to a #2 Ranking and a Big 8 Championship in 1960.  Some believe the teams he led in 1959 and 1960, along with John Hadl, were the best in KU's history.  Fred was enshrined in the Batesville, Arkansas Area Sports Hall of Fame in 1992.  He was the first All-State Athlete at Batesville, H.S.

Frank D'Agostino: Francis Joseph "Frank" D'Agostino (April 8, 1934 – September 28, 1997) was an American football player.  D'Agostino attended Auburn University and played college football at the tackle position for the Auburn Tigers football team.  He was selected by the Associated Press and the American Football Coaches Association as a first-team player on their respective 1955 College Football All-America Teams.  He was selected by the Philadelphia Eagles in the second round (16th overall pick) of the 1956 NFL Draft.  He appeared in 12 games for the Eagles during the 1956 NFL season.  In 1960, D'Agostino played in the new American Football League, appearing in two games for the New York Titans (later renamed the New York Jets) during the 1960 AFL season.

Supporting paragraphs: Roger Ellis University of Maine
Answer: Maine Black Bears