Tommy Hayes and Ben Daly have already signed for the Worcester Warriors. Worcester finished second to Rotherham in English National League One and will go into the next campaign as favourites for the title.
Worcester's John Brain snapped up Tommy from under the nose of Orrell, flying to Scotland to secure his services for Worcester.
With almost 1200 points (including 28 tries) from 121 games for Glasgow, Tommy will be a welcome addition to the Sixways squad.
A delighted John Brain said: "Tommy is a proven match winner, and we are really pleased to have signed him."