Chad Johnson says the NY Giants should be very careful on how they handle Odell Beckham Jr. -- because if they get on him too hard for the dog pee celebration, it's gonna mess up his head.  Look, Chad says Odell is special ... and if going…</a><br /><br />
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Chad Johnson: Back Off Odell Beckham … and Marvin Lewis!
Chad Johnson says the NY Giants should be very careful on how they handle Odell Beckham Jr. — because if they get on him too hard for the dog pee celebration, it’s gonna mess up his head. Look, Chad says Odell is special … and if going…