Wasps on front foot as Frank Halai tries leave London Irish struggling

• London Irish 15-33 WaspsFrank Halai’s two tries bookended what will go down as Wasps’ first away win of the Premiership season but the European swagger of recent weeks was notably absent against a workmanlike London Irish at Twickenham. The New Zealand wing scored his side’s first try of the match, just before half-time, and rounded off the bonus-point victory which lifts Wasps into the top four and leaves the Exiles still empty-handed from their first five matches.But while Elliot Daly, Halai and Charles Piutau showed glimpses of their quality, this was not a vintage Wasps performance. Lond…