EA Cheat?

ok, so i was playing a guy named [Edit - Admin.] in H2H and was beating him very soundly to the tune of 42-25 with under a minute left to play..he scores a garbage time TD and kicks off, as i am  returning the ball the game goes away and a small box appears saying "EA Cheat detected" and then that went away so i have no idea what EA detected, i logged back in and got a Loss for the game...my question is what the hell did EA detect? i always play H2H and never run any type of programs while playing..im not calling this guy a cheater but seems pretty fishy to me..anyone else have this happen to them?