Still smarting from last year’s final defeat to Wigan, Sam Burgess’s Warrington are looking to extend Hull KR’s 40 years of hurt when the two sides meet in the Betfred Challenge Cup final at Wembley.

The return of captain George Williams has given a major boost to Wire’s chances but Rovers, streaking away at the top of Super League, have the edge in plenty of other departments.

Here the PA news agency take a closer look at the key areas that could determine the destiny of this year’s trophy:

Full-back: Matt Dufty v Jack Broadbent

Having made his name as a flashy and thrusting full-back, Australian Dufty has added another dimension to his game this season, holding together a Warrington spine decimated by injuries to the likes of Williams, Marc Sneyd and Danny Walker.

Meanwhile Rovers w

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