1010 First hand of Step 1 on Stars

[GoHawkeyes]

I have no notes on anybody. What to do in this spot? Kind of weird...

PokerStars No-Limit Hold'em Tourney, Big Blind is t20 (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Hero (t1500)
SB (t1500)
BB (t1500)
UTG (t1500)
UTG+1 (t1500)
MP1 (t1500)
MP2 (t1500)
MP3 (t1500)
CO (t1500)

Preflop: Hero is Button with T[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/club.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">MP1 raises to t100</font>, <font color="#666666">1 fold</font>, MP3 calls t100, <font color="#666666">1 fold</font>, Hero calls t100, <font color="#666666">2 folds</font>.

Flop: (t330) 2[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">MP1 bets t520</font>, MP3 calls t520, ?