an immediate rematch if he gets KO'd / TKO'd by McGregor?
I don't have an opinion here and I like both fighters. I am not rooting for either to win, but as a long time MMA follower, deep down I just want to see a great, competitive fight.
So what do you guys think? If Aldo gets finished, does he deserve an immediate rematch a la Rousey style?
I can't imagine he wouldn't. He's not been defeated in a decade and is the only featherweight champ the UFC has ever had. 
Depends how it ends
Based on the UFC's past of giving everyone instant rematches he should, but I don't think aldo is very popular with them so it wouldn't surprise me if he didn't. It will be interesting to see how they justify it if they don't give him one.
If Ronda and Cain can get them, he damn sure better be able to.
Won't be an issue though.
If it's a great fight, then yeah.
If it's a one-sided beating then no, because 145 under McGregor's watch is fine. He can go fight a trash can and it would be a good PPV.
Women's 135 or even HW doesn't have big headliners, so the people that the UFC have already invested time and promotion into like Cain and obviously Ronda they would like to see them back on top ASAP.
ku3mm3t - If Ronda and Cain can get them, he damn sure better be able to.
Won't be an issue though.
I forgot about the Cain rematch. So technically that makes two fights where the reigning champ was finished and they get an immediate rematch. I don't follow boxing too closely. Do they give immediate rematches like this in boxing?
Of course. Do you think they will feed conor to frankie? Hell no 
Conor will move up in weight if he wins and will not have to rematch aldo , Frankie ect.. If one is going to build la egacy unparalleled it would be Conor.
Southpaw76 - Of course. Do you think they will feed conor to frankie? Hell noHa, so now if Conor beats Aldo, he's somehow already gonna be ducking Edgar according to some of you.
Jesus fucking Christ.
Where's Aldo's Mac Mansion?