The first of two mouthwatering Challenge Cup semi-finals pits the two most recent cup winners against one another - and the big key battles are undoubtedly going to have a huge say in who progresses to Wembley. Will it be reigning holders Hull? Or will it be 2014 and 2015 champions Leeds? Here's the battles we think could swing it..
Ryan Hall v MaAlready a subscriber? Log in here
This story is FREE for you...
Create a free account to access this article and get more of Total Rugby League's top stories.By submitting your email address you agree for Total Rugby League to send you communication by email