One more thought - AS matches are a one in a lifetime option. So, if you are close to AA Plat, you may want to wait until you hit that and then do a match. At least then you'd have MVP Gold instead of just MVP.
What are you looking to get out of the match? AS MVP's don't get a whole lot more on AS than AA's Gold Members do. Main difference I see in in Bonus RDM.
AA Gold on AS:
500 mile min
Priority Check-in & boarding
Waived fees for 2 bags
25% Mileage bonus
AS MVP:
Unlimited Complimentary upgrades (Realistically, good luck with that as MVP. As MVP Gold I was 0/12 on AS)
Priority boarding
Waived fees for 2 bags
Preferred seating on AS, AA, DL
50% bonus flight miles on AA, AF, AS, DL, Emirates, KLM, LAN