Bradford hit back when Deacon landed a penalty and then hoisted a high bomb when Reardon collected to score.
Monaghan hoisted a high bomb to the corner and Penny rose high above the defenders to pluck the ball out of the air for the try.
But when Calderwood failed to take a high bomb, the Broncos capitalised, Sykes hitting Mark McLinden's pass at pace to score and then adding the conversion.
Late in the half, Bridge made a mess of taking Richard Horne's high bomb, the ball spilling over his shoulder to Blacklock a simple touchdown.
The loose forward put a high bomb up to the ever-suspect Meli, who spilled it before McGuire picked up the loose ball to score under the posts.
Brough converted to make it 18-6 but 10 minutes later Rovers cut the deficit when Dale Morton made a mess of catching a high bomb.
When Tate caught a high bomb just in front of his own line and broke clear, it looked for all the world like another long-range strike.
Brett Ferres grabbed the first when the Catalans wing Steven Bell spilled a high bomb to the corner by Rangi Chase and the Tigers second-row touched down the loose ball.
Tomkins caught the first high bomb cleanly, while the visitors could muster nothing after a 40-20.
Hull took an early lead when the Castleford backs allowed a Daniel Holdsworth high bomb to bounce and Horne was on hand to cross in the right corner.
