(SPEEDWAY 1)COVENTRY have moved closer to completing their team by announcing the signing of 17-year-old rising star Ricky Wells.New Zealand-born Wells has grown up in America, winning several titles - and he impressed the Bees bosses during last year's World Under-21 Championship.Manager Peter Oakes said: "He's a very exciting and promising rider, and he's committed a lot of expense in getting himself and his equipment ready." (SPEEDWAY 2) GRAND Prix star Kenneth Bjerre has been added to a strong line-up for Tom P Madsen's Testimonial meeting at King's Lynn. Bjerre's Peterborough team-mate Niels-Kristian Iversen is also included in the field for the March 20 event which opens the Norfolk Arena season. Madsen said: "I've known Kenneth for a few years as I rode with him at Belle Vue in 2006. Everything is shaping up nicely for the event."