It is in game betting on the ESPN game. They release a line in between innings:
<TABLE cellSpacing=2 cellPadding=2 width="100%" border=0><TBODY><TR class=wht-title bgColor=#16177c><TD colSpan=3>Game</TD><TD noWrap>Run Line</TD><TD noWrap>Money Line</TD><TD noWrap>Total Runs</TD><TD>More </TD></TR><TR class=wht-title bgColor=#999999><TD colSpan=3>Maximum Wager: </TD><TD class=wht-title noWrap>5000.00 USD</TD><TD class=wht-title noWrap>10000.00 USD</TD><TD class=wht-title noWrap>5000.00 USD</TD><TD></TD></TR><TR bgColor=#eeeeee><TD class=main_body_blk noWrap>Sun 7/2</TD><TD class=main_body_blk noWrap>955</TD><TD class=main_body_blk noWrap>New York Mets</TD><TD class=main_body_blk noWrap>
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+8 +152 </TD><TD class=main_body_blk noWrap></TD><TD class=main_body_blk noWrap>
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OVER 22.5 +127 <TD vAlign=center rowSpan=2></TD></TR><TR bgColor=#eeeeee><TD class=main_body_blk noWrap>05:05 PM</TD><TD class=main_body_blk noWrap>956</TD><TD class=main_body_blk noWrap>New York Yankees</TD><TD class=main_body_blk noWrap>
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-8 -170 </TD><TD class=main_body_blk noWrap> </TD><TD class=main_body_blk noWrap>
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UNDER 22.5 -144 </TD></TR></TBODY></TABLE>