London Irish administrator Lee Manning says it is only "a matter of time" until the next Premiership club goes bust and that "radical change" is needed.
Tom Willis surged over for two tries as Saracens dispatched second-placed Bristol Bears in a 35-26 victory in the Gallagher Premiership on Saturday.
Exeter claimed their first Gallagher Premiership victory of the season as they edged out West Country rivals Gloucester 22-15 at Sandy Park.
Gloucester beat an out-of-sorts Harlequins at Kingsholm as the visitors were blanked in a league game for the first time in a decade.
A round-up of Friday's action, as Bath suffered a setback in their Champions Cup opener and Gloucester came through a tough European Challenge Cup test against Edinburgh
Defending champions Northampton suffered a shock defeat to Gloucester, while Bath returned to top of the Premiership and Sale beat Leicester.
Six-try Bath powered their way to a bonus-point victory over Sale Sharks to round off the first block of Gallagher Premiership matches in style.
Handre Pollard scored 14 points as Leicester overturned a 19-8 half-time deficit to claim a 29-26 win against Gloucester in a thrilling Gallagher Premiership encounter.
Richard Hibbard will rejoin the Wales squad on Monday after playing as a substitute for Gloucester at the weekend.
Will Greenwood heaped praise on fellow 2003 World Cup winner Mike Tindall following his retirement.
Miles Harrison is expecting Leicester and Gloucester to produce a fitting end to a cracking year of rugby.
Pat Sanderson and Dean Ryan take a look at this weekend's clash between Leicester and Gloucester.