Eastbourne expect Tom Brennan to be in demand next season – after confirming him as part of their 2018 line-up.
But Jake Knight has revealed he will not be part of the track's plans.
Brennan, the 16-year-old racer from Hassocks, will be on board with Forman IT Eagles for a second National League campaign.
Team boss Connor Dugard expects second-tier tracks to be knocking at the door for him by the end of next season.
Dugard said: “He was the most improved rider in the league last year and won an award for that. He eats, sleeps and breathes speedway.
“He needs to improve on away tracks. But I would not be at all surprised to have Championship tracks trying to get him for guest bookings next year.”
Brennan joins reserve Jason Edwards and second string Kelsey Dugard in the new line-up.
But Eagles are facing some tough decisions as they build a side within a 39-point limit.
Knight has revaled via social media that his average does not fit and he will not be part of the line-up.
Eagles have the option of bringing back Mark Baseby at No.1 after he recovered from a broken arm.
Brennan takes up 7.21 of their permitted points. He started last season on a three-point average.
Meanwhile Eastbourne have received a mixed reaction to their change of colours from blue and yellow to green, black and white.
Eagles have adopted the colours of their new backers, Forman IT.
The team will have eye-catching racesuits in the new colours and Arlington Stadium is being repainted.
Dugard said: “I would rather try something, even if it doesn’t come off, than just keep things as they are.”
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