Jon Jay: The Cubs' 'almost-everyday player'

Jason Heyward said it was "hilarious" the first time Jon Jay gave him "the bird."

But Heyward wasn't caught off-guard when he heard Jay's "caw, caw, caw" call on a fly ball.

The Cubs outfielders wore Cardinals uniforms then, and Jay warned his mate to keep his ears open for the call, which Jay...