The Catalans trailed 24-16 midway through the second half but stepped up a gear late on to register their sixth win of the campaign. The result hoisted the French side to the summit, albeit possibly only for 24 hours, while leaving the Broncos without a home win this campaign.
Frayssinous said: "It was a very scrappy game and we were certainly not at our best. But I said before the game that the team that showed the most hunger would be the team that won and that was us."
He continued: "I thought our forwards were immense and that was a real strength for us, especially as the game wore on in the second half. Easter is always a tough period for us because of the travel and the most important thing was just to get the two points."
The Broncos were in the lead for the vast majority of the contest, taking a 12-10 interval advantage after scores from Kieran Dixon and Tony Clubb cancelled out Morgan Escare and Steve Menzies' tries for the Dragons. And when Michael Witt and Chad Randall crossed early in the second half, a London win looked on the cards.
But a Frederic Vaccari try reduced the arrears and then Zeb Taia struck with two tries, as well as Thomas Bosc booting a penalty.
For London coach Tony Rea, the narrow defeat was very much self-induced.
He said: "We were at our best in terms of our effort and energy but our execution let us down from start to finish. I think every player across the board made an error at some stage and that is very frustrating.
"You are happy to lose if you have given your best but I do not think we did. We stayed strong as a team and had a fantastic attitude but that was not enough.
"I thought Catalan played error-free rugby for the whole game and that proved the difference."
- Sports & Recreation