Adelaide club champion Bernie Vince met with Greater Western Sydney before US adventure GREATER Western Sydney has interviewed Crows club champion Bernie Vince as the interest in the contracted Adelaide midfielder continues to shape AFL trade talks. Vince met with the Giants in Sydney on Sunday before he flew to the US for his holiday. Vince's management tonight confirmed the Giants' play and meeting with the South Australian who is on contract to the Crows for next season. However, there is no formal offer to Vince from GWS. The Giants' approach follows considerable interest in Vince during the AFL trade period that began last week. This prompted Vince to have an independent medical in Melbourne on Friday when he also met Melbourne coach Paul Roos. There are said to be at least four AFL clubs prepared to trade for Vince. Adelaide has approved Vince "exploring his options" during the trade period that ends on Friday week. Melbourne also has interviewed 21-year-old Adelaide midfielder Jarryd Lyons, who also is on contract to the Crows for next season. But it is unclear what the Demons would offer Adelaide in a trade in which the Crows would be eager for Melbourne's No. 2 and No. 20 draft picks, particularly when the SA club has no first or second-round call in next month's AFL national draft.