Question: Philip Michael Rivers, is an American football quarterback for the Los Angeles Chargers of the National Football League (NFL), and traded him to the Chargers for their first overall pick, which American football quarterback for the New York Giants?

Context paragraphs:
Philip Rivers: Philip Michael Rivers (born December 8, 1981) is an American football quarterback for the Los Angeles Chargers of the National Football League (NFL).  He played college football at North Carolina State University, and was drafted in the first round of the 2004 NFL Draft with the fourth overall pick by the New York Giants, who traded him to the Chargers for their first overall pick, quarterback Eli Manning.  Rivers' career passer rating of 95.7 is fifth-best all-time among NFL quarterbacks with at least 1,500 passing attempts.  Rivers is ranked 4th all-time in consecutive starts by a quarterback in NFL history.

List of Los Angeles Chargers seasons: The Los Angeles Chargers are a professional American football franchise based in the Greater Los Angeles Area.  The Chargers compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) West division.  The club was founded in 1959 by Barron Hilton and played the 1960 season in Los Angeles as part of the American Football League (AFL).  In the next season, the Chargers moved to San Diego.  In 2017, the Chargers relocated back to the Los Angeles area.

List of Los Angeles Chargers head coaches: The Los Angeles Chargers are a professional American football team based in the Greater Los Angeles Area.  The Chargers compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) West division.  There have been 15 coaches in Los Angeles Chargers franchise history, including Sid Gillman, who coached the Los Angeles Chargers' first and only season in 1960 before the team's move to San Diego, California in 1961.  Gillman is also the only Hall of Fame coach from the Chargers franchise.

Bobby Clatterbuck: Robert Dean Clatterbuck (born July 3, 1932) is a former American football quarterback in the National Football League and American Football League.  He played for the New York Giants and the Los Angeles Chargers.  He played college football for Houston.  While at Houston, Clatterbuck also played baseball as a pitcher, and participated in the 1953 College World Series for the Cougars.

Los Angeles Chargers retired numbers: The Los Angeles Chargers are a professional American football team in the National Football League (NFL) based in the Greater Los Angeles Area.  The club began play in 1960 as a charter member of the American Football League (AFL), and spent its first season in Los Angeles before moving to San Diego in 1961.  They returned to Los Angeles in 2017.  NFL teams assign each of their players a jersey number ranging from 1 through 99.  The Chargers no longer issue four retired numbers.  As of 2010, the team's policy was to have the Chargers Hall of Fame committee evaluate candidates for a player's number to retire after the player has retired from the league after five years.  The committee consisted of Chargers Executive Vice President A. G. Spanos, Chargers public relations director Bill Johnston, San Diego Hall of Champions founder Bob Breitbard, and the presidents of the San Diego Sports Commission and the Chargers Backers Fan Club.  There are few recognized guidelines in sports regarding retiring numbers, and the NFL has no specific league policy.  "You have to have enough numbers for players to wear," said NFL spokesman Greg Aiello.  The Chargers have rarely retired numbers.  The "San Diego Union-Tribune" wrote, "The [Chargers] tend to honor their heritage haphazardly."

Eli Manning: Elisha Nelson Manning (born January 3, 1981) is an American football quarterback for the New York Giants of the National Football League (NFL).  He played college football at the University of Mississippi.  He was drafted as the first overall pick in the 2004 NFL Draft by the San Diego Chargers and was immediately traded to the Giants who in return gave up a package, highlighted by fourth overall selection Philip Rivers.  He is the son of former NFL quarterback Archie Manning and the younger brother of former NFL quarterback Peyton Manning.

Hunter Henry: Hunter Henry (born December 7, 1994) is an American football tight end for the Los Angeles Chargers of the National Football League (NFL).  He played college football at Arkansas, where he was a consensus All-American and won the John Mackey Award as the top tight end in the nation.  He was selected by San Diego in the second round of the 2016 NFL draft with the 35th overall pick.  He now lives in Newport Beach, CA and plays for the Los Angeles Chargers and went to Pulaski academy in Little Rock Arkansas for high school and was one of the best tight ends in Arkansas high school football

Los Angeles Chargers Hall of Fame: The Los Angeles Chargers are a professional American football team in the National Football League (NFL) based in the Los Angeles Area.  The club began play in 1960 as a charter member of the American Football League (AFL), and spent its first season in Los Angeles before moving to San Diego in 1961.  They returned to Los Angeles in 2017.  The Chargers created their Hall of Fame in 1976.  Eligible candidates for the Hall of Fame must have been retired for at least four seasons.  Selections are made by a five-member committee chaired by Dean Spanos, Chargers vice-chairman.  As of 1992, other committee members included Bob Breitbard, founder of the San Diego Hall of Champions; Ron Fowler, president of the Greater San Diego Sports Association; Jane Rappoport, president of the Charger Backers; and Bill Johnston, the team's director of public relations.

Los Angeles Chargers: The Los Angeles Chargers are a professional American football team based in the Greater Los Angeles Area.  The Chargers compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) West division.  The team was founded on August 14, 1959 and began play on September 10, 1960 as a charter member of the American Football League (AFL), and spent its first season in Los Angeles, before moving to San Diego in 1961 to become the San Diego Chargers.  The Chargers joined the NFL as result of the AFL–NFL merger in 1970, and played their home games at Qualcomm Stadium.  The return of the Chargers to Los Angeles was announced for the 2017 season, just one year after the Rams had moved back to the city from St. Louis.  The Chargers will play their home games at the StubHub Center until the opening in 2020 of the Los Angeles Stadium at Hollywood Park, which they will share with the Rams.

Cam Newton: Cameron Jerrell Newton (born May 11, 1989) is an American football quarterback for the Carolina Panthers of the National Football League (NFL).  He played college football at Auburn and was drafted as the first overall pick by the Panthers in the 2011 NFL Draft.  Newton is the only player in the modern era to be awarded the Heisman Trophy, win a national championship, and become the first overall pick in an NFL draft within a one-year span.  He was the 2011 NFL Rookie of the Year, is a three-time Pro Bowler, and was named to the NFL All-Pro First Team in 2015.

Supporting paragraphs: Philip Rivers Eli Manning
Answer: Elisha Nelson Manning