 His progression continued as he made his league debut at Elland Road against Leeds United, on 11 February 2007, and then made his first start for the club on 3 March, against Burnley at Turf Moor.On 18 April, Spence flew out to America with fellow youngster Charlie Sheringham to join Crystal Palace's feeder club Crystal Palace Baltimore on loan for four months, though this spell was cut short by injury.On 16 June 2008, he joined Wycombe Wanderers on a two-year deal from Palace, linking up with Peter Taylor again, after the latter's departure from Selhurst Park eight months before.