New York Giants quarterback Eli Manning likes his footballs broken in before he handles them. The process — performed for the Giants by brothers Ed and Joe Skiba, and detailed by The New York Times — sounds like the post-game practices of a particularly masochistic professional athlete. Balls are rubbed vigorously for 45 minutes, scoured with a wet towel until thoroughly sodden, brushed, and then spun on a wheel to prepare them for another high-speed scrubbing. Only after its been broken down and rebuilt is a ball ready for Mannings throwing hand. …