(SPEEDWAY 1)SHEFFIELD have signed Simon Lambert who will make his debut against Rye House at Owlerton on Thursday.Lambert replaces struggling reserve Arlo Bugeja who has been made available to other clubs with immediate effect.Sheffield co-promoter David Hoggart said: "Simon is a good lad, he has guested for us before and has never let us down. A change of club for him will do him good also and I know how delighted he is to be joining Sheffield and racing at a track he likes so much."(SPEEDWAY 2)CHRIS Mills is on his way back to King's Lynn as a replacement for Linus Eklof who quit the club last week.Mills last rode for the Stars in their 2007 treble season and will make his comeback against Rye House on Wednesday.He said: "2007 was a really special time for me and probably my most enjoyable season in British Speedway."I have missed being at the club and still have lots of friends and sponsors from the King's Lynn area so I can't wait to come back."(SPEEDWAY 3)WOLVERHAMPTON remain on course for the Elite League play-offs after an impressive 56-39 win over Belle Vue at Monmore.And it was a night of celebration for the Lindgren brothers, Freddie and Ludvig, who were both unbeaten by an opposing rider.Wolves boss Peter Adams said: "It was a good night for the team and if you had said to me before the meeting that Tai Woffinden would only score 5 and Nicolai Klindt 3 I would have put us down for a defeat."I'm pleased for Ludvig, he's improving as a rider and that's all down to his decision to take the plunge in the Elite League this season."Peterborough saw off a gutsy Lakeside team 51-42 at the Showground and Coventry were held to a 45-45 draw by Swindon.(FIXTURES)TUESDAY JUNE 29:NATIONAL LEAGUE: Dudley v King's Lynn (at Wolverhampton) 7.30, Isle of Wight v Scunthorpe 7.30 WEDNESDAY JUNE 30:SKY SPORTS ELITE LEAGUE: Belle Vue v Wolverhampton 7.30, Poole v Coventry 7.30 PREMIER LEAGUE: King's Lynn v Rye House 7.30 PREMIER LEAGUE KO CUP 2nd leg: Birmingham v Somerset 7.30THURSDAY JULY 1:SKY SPORTS ELITE LEAGUE: Eastbourne v Coventry 7.45, Swindon v Ipswich 7.30 PREMIER LEAGUE: Sheffield v Rye House 7.45 FRIDAY JULY 2:PREMIER LEAGUE: Edinburgh v Newport 7.30, Somerset v Newcastle 7.30 NATIONAL LEAGUE: Weymouth v Scunthorpe 7.15