Salford Red Devils coach Richard Marshall reckons playing Castleford twice in eight days is a "double-edged sword".
Like Wigan and Hull, the Red Devils and the Tigers will follow up a Super League meeting, which the Tigers won 28-18, by squaring up to each other in the quarter-finals of the Challenge Cup at Emerald Headingley on Friday.
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Salford Red Devils coach Richard Marshall reckons playing Castleford twice in eight days is a "double-edged sword".
Like Wigan and Hull, the Red Devils and the Tigers will follow up a Super League meeting, which the Tigers won 28-18, by squaring up to each other in the quarter-finals of the Challenge Cup at Emerald Headingley on Friday.
"Of c
