Preflop: Hero is BB with 7 7
UTG+2 folds, MP1 raises to 80, MP2 raises to 270, 4 folds, Hero raises to 1,743 and is all-in, MP1 folds, MP2 calls 1,197 and is all-in
Flop: (3,024) 6 8 8 (2 players, 2 are all-in) Turn: (3,024) 6 (2 players, 2 are all-in) River: (3,024) T (2 players, 2 are all-in)
Spoiler:
Results: 3,024 pot
Final Board: 6 8 8 6 T
MP2 showed K K and won 3,024 (1,557 net)
Hero showed 7 7 and lost (-1,467 net)
Can't see someone doing this without at least 10-10 or better, unless he's a donk. No need to get it in here with 77. The best you can hope for is that you're coinflipping, and a lot of the time you're going to be dominated.