Good news and bad news for Conor McGregor ...
GOOD NEWS: Northern Irish boxing superstar Carl Frampton -- the reigning WBA featherweight champ -- says he loves Conor and would be down to train with the guy if he's serious about boxing.
BAD NEWS: Frampton doesn't think Conor's got a shot in hell at taking down Floyd Mayweather.
We got Frampton out at Cafe Pinot in L.A. on Thursday -- where the undefeated 23-0 bruiser gave some straight talk about Conor's foray into boxing.