I wasn't sure if this was a good fold or not. He could be bluffing, since fish likes to bluff on double paired boards, but I have a hard time seeing what kind of hand he gets there with that he would turn into a bluff. Perhaps a FD, but I block that, so calling without a heart K would be better.
PokerStars - $0.10 NL FAST (6 max) - Holdem - 6 players
Hand converted by PokerTracker 4
Hero (BTN): 106.1 BB
SB: 105.9 BB (VPIP: 20.69, PFR: 20.69, 3Bet Preflop: 0.00, Hands: 30)
BB: 100.2 BB (VPIP: 20.22, PFR: 17.49, 3Bet Preflop: 5.30, Hands: 374)
UTG: 298.1 BB (VPIP: 28.57, PFR: 19.64, 3Bet Preflop: 0.00, Hands: 58)
MP: 74.6 BB (VPIP: 100.00, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 1)
CO: 168.1 BB (VPIP: 22.48, PFR: 16.28, 3Bet Preflop: 4.55, Hands: 130)
SB posts SB 0.5 BB, BB posts BB 1 BB
Pre Flop: (pot: 1.5 BB) Hero has K
K
fold,
MP raises to 3 BB,
fold,
Hero raises to 9 BB,
fold,
fold, MP calls 6 BB
Flop: (19.5 BB, 2 players) 5
J
2
MP checks,
Hero bets 6.1 BB, MP calls 6.1 BB
Turn: (31.7 BB, 2 players) 2
MP checks,
Hero bets 16 BB, MP calls 16 BB
River: (63.7 BB, 2 players) J
MP bets 43.5 BB and is all-in,
fold,