Here's Matchbook, don't know if its the best price.
<table class="mrTable" cellpadding="0" cellspacing="0"><tbody><tr><td class="mbCss-runner" valign="middle" width="105">Boston
</td><td><table cellpadding="0" cellspacing="0"><tbody><tr><td class="mbCss-mr-outcomes">to win</td><td><table cellpadding="0" cellspacing="0"><tbody><tr><td id="bro-289409-w-1" class="mbCss-odds-best">+135</td><td id="brs-289409-w-1" class="mbCss-stake-best">$820</td></tr></tbody></table>
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</td></tr></tbody></table>
</td></tr></tbody></table>23<table cellpadding="0" cellspacing="0"><tbody><tr><td class="mbCss-mr-outcomes">to lose</td><td><table cellpadding="0" cellspacing="0"><tbody><tr><td id="bro-289409-l-1" class="mbCss-odds-best">-154</td><td id="brs-289409-l-1" class="mbCss-stake-best">$1,26</td></tr></tbody></table>
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