The Lingerie Football League changed its name to the "Legends Football League" this season . . . which makes no sense at all.



Anyway, a video from a game earlier this month between the Los Angeles Temptation and Seattle Mist is making the rounds online . . . because of a funny celebration one of the L.A. players did.



After making a tackle, she promptly stood up and started shaking her backside . . . a.k.a., "twerking" . . . all while she was still straddling the HEAD of the girl she tackled.