Shine back for U-21 semi-final – but Dolan injury setback for Maughan Seamus Duke  It’s a huge weekend for Roscommon footballers with the U-21 team playing in the Cadbury’s Connacht semi-final on Saturday in Kiltoom (throw-in at 2.30pm) and the seniors playing in the latest round of games in the Allianz National Football League Division 2A against Westmeath on Sunday (at Hyde Park, throw-in at 2.30 pm).    The U-21 team will feature nine of the players who won All-Ireland medals with the Roscommon minor team in 2006 in their starting line-up. The team, which was announced yesterday (Wednesday), sees Donie Shine return to competitive action after a long injury lay-off.    Manager Michael Ryan and his selectors Emmet Durney and Derek Thompson have selected a strong team in which there are expected to be several positional switches come throw-in time on Saturday. Full preview on the big game and exclusive interview with Roscommon team manager Michael Ryan, right, inside this week.