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Rugby UnionRugby: BT Sport boost for Glasgow and EdinburghBy DAVID FERGUSONPublished 30th Jul 2013, 01:01 BST Glasgow Warriors pair Stuart Hogg and Al Kellock join Marc Watson of BT and Edinburgh Rugby duo Ross Ford and Tim Visser at the launch. Picture: SNSGLASGOW and Edinburgh could move into the world player market and attract some of the world’s best performers after signing a new four-year sponsorship deal with BT Sport.*Related topics:RugbyBT SportEdinburghGlasgow