I was trying to figure out why 97o was a huge loser for me over my last 5K hands, and came across this gem. Can anyone figure out what this is?

hint: "airboxguy"

PokerStars No-Limit Hold'em, $0.25 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG+1 ($40.95)
Hero ($51.15)
MP2 ($47.30)
CO ($20.80)
Button ($32.20)
SB ($27.20)
BB ($32.45)
UTG ($66.30)

Preflop: Hero is MP1 with 9, 7.
1 fold, UTG+1 raises to $1, Hero calls $1, 2 folds, Button calls $1, 2 folds.

Flop: ($3.35) 4, 5, 8 (3 players)
UTG+1 checks, Hero checks, Button checks.

Turn: ($3.35) J (3 players)
UTG+1 bets $3.25, Hero calls $3.25, Button calls $3.25.

River: ($13.10) 3 (3 players)
UTG+1 checks, Hero bets $8, Button folds, UTG+1 calls $8.

Final Pot: $29.10