Why would he minbet the river there? :S

Full Tilt Poker Game #11779403091: $11 + $0.50 Heads Up Sit & Go (88345125), Table 1 – 30/60 – No Limit Hold’em – 3:12:27 ET – 2009/04/20
Seat 1: TehJinx (1,125)
Seat 2: starfoxracer (1,875)
TehJinx posts the small blind of 30
starfoxracer posts the big blind of 60
The button is in seat #1
*** HOLE CARDS ***
Dealt to TehJinx
TehJinx raises to 180
starfoxracer calls 120
*** FLOP ***
starfoxracer bets 60
TehJinx calls 60
*** TURN ***
starfoxracer bets 60
TehJinx calls 60
*** RIVER ***
starfoxracer bets 60
TehJinx calls 60
*** SHOW DOWN ***
starfoxracer shows Queen Jack high
TehJinx shows Ace Queen high
TehJinx wins the pot (720) with Ace Queen high
*** SUMMARY ***
Total pot 720 | Rake 0
Board:
Seat 1: TehJinx (small blind) showed and won (720) with Ace Queen high
Seat 2: starfoxracer (big blind) showed and lost with Queen Jack high