Leeds: (24) 46
Tries: Jones-Buchanan, Webb (3), Smith, Burrow (2), Donald
Goals: Sinfield (4) Burrow (2)
Bradford: (0) 2
Champions Leeds racked up eight tries as the Rhinos recorded their biggest margin of victory over Bradford Bulls.
Early on Leeds prop Kylie Leuluai was stretchered off after he knocked himself out tackling Chris Feather.
Leeds ran in five tries before the break, four of them coming in a devastating 17-minute spell.
Full-back Brent Webb claimed a hat-trick, scrum-half Rob Burrow got two, while Jamie Jones-Buchanan, Lee Smith and Scott Donald also touched down.
Leeds: Webb, Smith, Ellis, Senior, Donald, Tansey, Burrow, Leuluai, Diskin, Peacock, Jones-Buchanan, Lauitiiti, Sinfield.
Replacements: Worrall, Burgess, Scruton, Hall.
Bradford: Halley, Tadulala, Nero, Hape, Evans, Jeffries, Deacon, Lynch, Newton, Feather, Solomona, Finnigan, Burgess.
Replacements: Harris, Godwin, Cook, James.
Referee: S Ganson (Great Britain)