New York Giants wide receiver Odell Beckham Jr. amazed fans with his leaping, one-handed catch against the Dallas Cowboys on Sunday Night Football on Nov. 23. But those who knew Beckham during his days at Isidore Newman School in New Orleans — the same high school where Peyton and Eli Manning played — have seen Beckham make amazing catches for years. “He does work on every little detail,” Beckham’s former coach said. “He’s a total perfectionist. He’s the real deal.”