My guess was he's on a FD, but he really had a set, on the turn I got lucky.
So I don't really like my call.
Hero calls $43.50 (All-In)
Turn: ($106.75) A
(2 players, 2 all-in)
River: ($106.75) 4
(2 players, 2 all-in)
Total pot: $106.75
Results:
Hero had A
, A
(three of a kind, Aces).
MP1 had 7
, 7
(three of a kind, sevens).
Outcome: Hero won $103.75