Trailing 10-6 at half-time against the Cronulla Sharks in round 20, the Bulldogs NYC side scored 32 unanswered points in the second 40 in a dominant display at Belmore Sports Ground.
Seven minutes into the second half it was Keighran who scored the first of his two tries which were both converted, putting the young pups in front for the first time in the match.
In the 55th minute, front rower Jake Kamire added four more points to the scoreboard when he charged over to score. Keighran had his kicking boots on and converted once again, with the score now 24-10.
Interchange forward Siaopo Tagaloa crossed in the 62nd minute and then Josh Bergamin followed it up in the 70th. Keighran could only convert the Tagaloa try and the scoreboard then read 34-10.
A late four-pointer just had the crowd on the hill raising and celebrations were had as the scoreboard rolled over to 38-10, which it stayed as the final siren sounded.