unless he stated the loot rules in chat, the GMs *PROBABLY* won't do anything. I say probably, because your milage may vary and you might get a super-awesome GM.
It's always a good idea to ask the ML to post the loot rules in raid chat (if they just say "MS>OS", ask them to clarify that highest roll wins, etc). According to the ~3 GMs i've spoken to about ninjas, it's the only guarenteed way to get the rightful winner their item (even if it's not you).
but going by the screenshots, it doesn't look like it was ML (most pug RLs won't go thru the hassle of selecting people to roll, they'll just ask for a /roll), but need before greed as others have said.
It's always a good idea to ask the ML to post the loot rules in raid chat (if they just say "MS>OS", ask them to clarify that highest roll wins, etc). According to the ~3 GMs i've spoken to about ninjas, it's the only guarenteed way to get the rightful winner their item (even if it's not you).
but going by the screenshots, it doesn't look like it was ML (most pug RLs won't go thru the hassle of selecting people to roll, they'll just ask for a /roll), but need before greed as others have said.