Davydenko frustrated over gambling probe (AP) Nikolay Davydenko is fed up with the ATP's drawn-out investigation into suspicious betting patterns surrounding one of his matches. The men's tennis tour is still looking into the Russian's match against 87th-ranked Martin Vassallo Arguello in Poland last August. An online betting site voided all wagers on the match because of irregular betting patterns. Publish Date: Fri, 11 Jan 2008 11:29:04 PST Read more...