BOURNEMOUTH are set to complete the signing of Vasco da Gama striker Rayan for just over £30million. Rayan, 19, arrived in Bournemouth yesterday (Saturday) and will undergo his medical today before signing a five-and-a-half year contract. The Cherries are paying Brazilian club Vasco an upfront fee of £24.7m and £5.6m in bonuses. Rayan has been…