Big boys

I was playing with the big boys tonight. Something I don't normally do. Anyway, I'd have expected the SB to fold in this situation. Wouldn't you? The raiser had a very loose image, but still a poor call, IMHO.

***** Betfair Poker Hand History for Game 220942917 *****
NL Texas Hold'em $75 Buy-in + $7.50 Entry Fee, Level:11 Blinds(600/1,200-75 ante) - Tuesday, June 19, 22:42:52 GMT 2007
Daily $11k GTD #79339
Table 1 9-max (Real Money)
Seat 8 is the button
Total number of active players : 8
Seat 1: Poh Corner ( 7,802 )
Seat 3: pokerEsse ( 7,108 )
Seat 4: egoist ( 8,000.50 )
Seat 5: bill 38 ( 45,522.75 )
Seat 6: Frank2770 ( 16,228 )
Seat 7: Hipthrust ( 17,472.75 )
Seat 8: westunited ( 25,414 )
Seat 9: maverick ( 35,512 )
Tourney Level:11 Blinds(600/1,200-75 ante)
Poh Corner posts ante [75]
pokerEsse posts ante [75]
egoist posts ante [75]
bill 38 posts ante [75]
Frank2770 posts ante [75]
Hipthrust posts ante [75]
westunited posts ante [75]
maverick posts ante [75]
maverick posts small blind [600]
Poh Corner posts big blind [1,200]
** Dealing down cards **
Dealt to Poh Corner [ 9c, 9h ]
pokerEsse folds
egoist folds
bill 38 raises to [2,400]
Frank2770 folds
Hipthrust folds
westunited folds
maverick calls [1,800]
Poh Corner goes all-in
Poh Corner raises to [7,727]
bill 38 calls [5,327]
maverick calls [5,327]
** Dealing Flop ** [ 6h, Qs, Ts ]
maverick checks
bill 38 checks
** Dealing Turn ** [ 7c ]
maverick checks
bill 38 checks
** Dealing River ** [ 5c ]
maverick checks
bill 38 checks
** Showdown **
maverick shows [ Tc, Kc ] a pair of Tens
Poh Corner mucks [ 9c, 9h ]
bill 38 mucks [ 4c, Ah ]
** Hand Conclusion **
maverick wins 23,781 from main pot with a pair of Tens
************ Game 220942917 ends ************