The Broncos were looking good with a 12-6 lead as half-time approached, but Martin Offiah was guilty of the first of their series of give-aways to present Saints with a try and Alan Hunte then outpaced Offiah to give them the lead.
Saints scored two more tries after seizing on interceptions in the second half and survived a late London rally, with tries from Scott Roskell and Roger Best, to record their fourth narrow win over the Broncos in a year.
Paris St-Germain, who finished second bottom of the Super League last season, claimed their first victory on English soil yesterday with an 18-4 win over Sheffield Eagles. The Eagles, beaten only twice at home last season, had no answer as the team of Australian imports built on their impressive defence to run in tries from Anthony Wall, Phil Bergman and Wayne Sing.
Salford Reds made a winning start to their Super League campaign in a rare low-scoring affair. Phil Coussons' try midway through the first half was enough to give last season's First Division champions a 4-0 victory over Castleford.
A 40-yard sprint to the line by Adrian Morley sealed a deserved but hard- earned 32-22 home victory for Leeds against Oldham. The teenage Great Britain forward burst on to a pass from Anthony Farrell as Leeds cashed in on the absence of Martin Crompton in the sin bin.Reuse content