It would mean the fourth-placed Welsh Magners League team automatically entering the European Challenge Cup.
Panthers, meanwhile, suffered a costly Challenge Cup hangover as their title hopes wilted in the capital.
Ruddock led the Warriors to the European Challenge Cup final in his first season in charge.
Agar guided Hull to the Challenge Cup final at Wembley in 2008 with an injury-ravaged squad.
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Meanwhile Raiders have a home tie to Blackpool in Sunday's Challenge Cup Third Round game.
There is always something special about a Challenge Cup final at a full Wembley.
Meanwhile Leeds have avoided a group of death in the European Challenge Cup next season.
The announcement comes less than two weeks before the club's Carnegie Challenge Cup quarter-final with Bradford Bulls.
The veteran centre has inspired London Irish to the Premiership play-offs and the European Challenge Cup final.
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In a repeat of last season's Challenge Cup final, the Giants again ended on the losing side.
Wayne Godwin, Terry Newton, Joe Vagana and Ben Jeffries also crossed as the Challenge Cup finalists crumbled.
Young also admits Sunday's European Challenge Cup tie with French side Albi will be a bruising encounter.
Meanwhile, Livingston's Alba Challenge Cup visit to Queen of the South on Saturday is not under threat.
He is expected to make his first-team return in Saturday's European Challenge Cup game at home to French side Bayonne.
Monaghan's drop-goal and another late converted try from King capped a resounding win for the Challenge Cup holders.
They were also knocked out of the Challenge Cup at the fifth-round stage by Super League rivals Wigan.
Worcester Warriors play Montpellier in the European Challenge Cup at Sixways on Thursday 8 October (kick-off 1945 BST).
They've been in Challenge Cup finals and Grand Finals, whereas that is all new to this Wigan side.
In his memory, the Waltons provided a beautiful challenge cup for the Novices.
Panthers are next in action on Wednesday night when they travel to Cardiff in the Challenge Cup (1930 BST).
Under Ryan, Gloucester have won the 2006 European Challenge Cup and have topped the Premiership for the last two seasons.
He has played with Wigan his entire league career, winning the Challenge Cup in 1993 and Super League in 1998.
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Wigan exacted vengeance on Hull for knocking them out of the Challenge Cup with a thrashing in the Super League.
Even under that restraint the Dragons reached the semi-final of this season's European Challenge Cup, European club rugby's second-tier competition.
The 44-year-old emerged as favourite to succeed Anderson after guiding the Dragons to last year's Challenge Cup final at Wembley.
The 32-year-old half-back's man-of-the-match performance inspired Warrington to Challenge Cup glory over Leeds last month and now ends his Wales exile.
In another change, the winners of the Challenge Cup will also secure an additional Heineken Cup qualifying place for their country.
It is presently without a sponsor for the league and its knock-out competition, the Challenge Cup, after Bell's withdrew in 2006.
Morgan's comments followed his side having two tries disallowed in their 24-18 Challenge Cup defeat to St Helens at Craven Park.
Wakefield rested their talismanic scrum-half Danny Brough ahead of their Challenge Cup semi-final next Sunday but led inside the second minute.
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