Question: Greg Cumbel is a broadcaster on NFL for CBS alongside which former American football quarterback?
Context: Brett Lorenzo Favre ( ; born October 10, 1969) is a former American football quarterback who spent the majority of his career with the Green Bay Packers of the National Football League (NFL).  He was a 20-year veteran of the NFL, having played quarterback for the Atlanta Falcons in 1991, Packers from 1992 to 2007, New York Jets in 2008, and Minnesota Vikings from 2009 to 2010.  Favre was the first NFL quarterback to pass for 500 touchdowns, throw for 70,000 yards, complete 6,000 passes, and attempt 10,000 passes. Greg Gumbel (born May 3, 1946) is an American television sportscaster.  He is best known for his various assignments on the CBS network (most notably, the National Football League and NCAA basketball).  The older brother of news and sportscaster Bryant Gumbel, he became the first African-American (and Creole) announcer to call play-by-play of a major sports championship in the United States when he announced Super Bowl XXXV for the CBS network in 2001.  He is of Creole ancestry.  Gumbel is currently a play-by-play broadcaster for the "NFL on CBS" alongside Trent Green as well as the studio host for CBS' men's college basketball coverage. Phillip Martin Simms (born November 3, 1955) is a former American football quarterback who spent his entire 14-year professional career playing for the New York Giants of the National Football League (NFL).  He is currently a television sportscaster for the CBS network.  After playing college football at Morehead State University, Simms was drafted in the first round by the New York Giants of the National Football League (NFL) with the number seven selection overall in the 1979 NFL Draft.  Simms was named Most Valuable Player (MVP) of Super Bowl XXI, after he led the Giants to a 39–20 victory over the Denver Broncos and set the record for highest completion percentage in a Super Bowl, completing 22 of 25 passes (88%).  He also was named to the Pro Bowl for his performances in the 1985 and 1993 seasons. Gregory Vincent "Greg" McElroy, Jr. (born May 10, 1988) is a former American football quarterback of the National Football League.  He was drafted by the New York Jets of the National Football League (NFL) in the seventh round of the 2011 NFL Draft after playing college football at Alabama.  During his high school career, McElroy won several awards including being named an EA Sports All-American and winning a Texas 5A state championship for Southlake Carroll.  He was the starting quarterback for the Crimson Tide football team.  As a junior, he led the Crimson Tide to an undefeated 14–0 season, which included the 2009 SEC Championship and BCS National Championship. Joseph Clifford Montana Jr. (born June 11, 1956), nicknamed "Joe Cool" and "The Comeback Kid", is a former American football quarterback who played in the National Football League (NFL) for 16 seasons, primarily with the San Francisco 49ers and then with the Kansas City Chiefs for the final two seasons of his NFL career.  After winning a college national championship at Notre Dame, Montana started his NFL career in 1979 with San Francisco, where he played for the next 14 seasons. .  While a member of the 49ers, Montana started and won four Super Bowls and was the first player ever to have been named Super Bowl Most Valuable Player three times.  He also holds Super Bowl career records for most passes without an interception (122 in 4 games) and the all-time highest quarterback rating of 127.8.  Montana was elected to the Pro Football Hall of Fame in 2000, his first year of eligibility. Trent Jason Green (born July 9, 1970) is a former American football quarterback who played in the National Football League (NFL) for fifteen seasons.  He played college football for Indiana University.  He was drafted by the San Diego Chargers in the eighth round of the 1993 NFL Draft, and also played for the BC Lions, Washington Redskins, St. Louis Rams, Kansas City Chiefs and Miami Dolphins.  He earned a Super Bowl ring with the Rams and was selected to two Pro Bowls with the Chiefs. Jake Christopher Delhomme ( ; born January 10, 1975) is a former American football quarterback who played professionally in the National Football League (NFL).  Delhomme played college football at the University of Louisiana at Lafayette, then known as the University of Southwestern Louisiana, before being signed by the New Orleans Saints as an undrafted free agent after the 1997 NFL Draft.  Delhomme began his professional career as a practice squad player with the Saints in 1997 and 1998 and played in the NFL Europe for two years in between NFL seasons.  Returning to the Saints, Delhomme played his first NFL games in 1999.  Delhomme played as the Carolina Panthers starting quarterback from 2003 to 2009.  Delhomme held most of Carolina's quarterback records until Cam Newton broke most of them.  Delhomme led the team to Super Bowl XXXVIII in his first season with Carolina. Elisha Archibald Manning III (born May 19, 1949) is a former American football quarterback who played professionally for 16 seasons in the National Football League (NFL).  He played in the NFL for the New Orleans Saints from 1971 to 1982, and for short stints with the Houston Oilers and Minnesota Vikings.  In college, he played for the Ole Miss Rebels football team at the University of Mississippi, and was later inducted into the College Football Hall of Fame.  Manning is the father of Cooper Manning, former quarterback Peyton Manning, and Eli Manning, who is the current starting quarterback for the New York Giants.  His sons Peyton and Eli have each won two Super Bowls. Peyton Williams Manning (born March 24, 1976) is a former American football quarterback who played 18 seasons in the National Football League (NFL), primarily with the Indianapolis Colts.  Considered to be one of the greatest quarterbacks of all time, he spent 14 seasons with the Colts and was a member of the Denver Broncos in his last four seasons.  Manning played college football for the University of Tennessee, leading the Tennessee Volunteers to the 1997 SEC Championship in his senior season.  He is the second son of former NFL quarterback Archie Manning and older brother of New York Giants quarterback Eli Manning. Michael Dwayne Vick (born June 26, 1980) is a former American football quarterback who played 13 seasons in the National Football League, primarily with the Atlanta Falcons and the Philadelphia Eagles.  He played college football at Virginia Tech and was selected by the Falcons as the first overall pick in the 2001 NFL Draft.  During his six years with the Falcons, Vick was regarded as having transformed the quarterback position with his rushing abilities and was named to three Pro Bowls.  He holds the record for the most career rushing yards by a quarterback (6,109) and the most rushing yards by a quarterback in a season (1,039).
Answer: Trent Green