Cooper Manning net worth: Cooper Manning is an American energy trader who has a net worth is $15 million dollars. Cooper Manning is probably most famous for being the older brother of NFL quarterbacks Peyton and Eli Manning. Cooper is the oldest son of Archie and Olivia Manning. Archie Manning was also a professional quarterback who played in the NFL from 1971-1982. Cooper was born in 1974 in Mississippi. Like his father and brothers, Cooper grew up playing football, although unlike the other Mannings, he was a wide receiver not a quarterback, At six feet four inches tall, he was a formidable wide receiver, and played on the same team as younger brother Peyton Manning for just one season at Isidore Newman High School. Cooper was a senior, Peyton was a Sophomore. His youngest brother Eli Manning was too young to ever play on the same team. The one season Cooper and Peyton were able to play together was a great year for the entire family. Cooper caught 75 passes from his brother that year. Cooper Manning was an All-State wide receiver, and had plans to attend the University of Mississippi. Unfortunately, at the end of his senior year of high school, he began to feel numbness in his fingers and toes. Cooper went to the Mayo Clinic in Minnesota where he was diagnosed with spinal stenosis, and consequently, a pro-football career was out of the question. Instead of joining the NFL, Cooper Manning became an executive in the energy industry. He is a partner at Weil Howard, an energy investment firm with offices in Houston and New Orleans. He is married and has three children. Even though he never became an NFL superstar like his little brothers, Cooper Manning loves watching them play every week. Cooper has also admitted that he has a very difficult time watching when their teams are matched up against each other.