Topsy Ojo and Myles Dorrian guide London Irish to overwhelming win

London Irish 70-14 Rovigo Convincing win for Exiles in opening Challenge Cup fixtureTopsy Ojo scored three tries and Myles Dorrian scored 25 points for London Irish on Sunday as they overwhelmed Rovigo 70-14 in Pool 1 of the European Challenge Cup. Ojo, the full-back and former England international, scored his tries in the first 39 minutes and the Exiles were 28-0 up at the interval at the Madejski Stadium. Dorrian, the fly-half, scored a try and converted all 10 of the Exiles tries against the Italian team. It was a return to form for the Exiles, who have lost their last two Premiership game…