LOL Chad Brown hand on Cash Poker

[homeboy604]

chad straddles to $300 and just calls nenad medics RR to $1100.

flop comes: 7 [img]/images/graemlins/diamond.gif[/img]9 [img]/images/graemlins/diamond.gif[/img]Q [img]/images/graemlins/club.gif[/img]
chad checks and nenad bets $2000. chad calls.

turn is 4 [img]/images/graemlins/spade.gif[/img]
check check

river is 4 [img]/images/graemlins/club.gif[/img]

chad bets $3000 into $6200 ish, nenad re raises to $1100 and chad CALLS!!

chad shows AK hi, and nenad shows 45 for runner runer trips.
wtf is chad thinking?