Football finance expert Kieran Maguire has explained how Man United will actually make a profit on the West Ham deal for Aaron Wan-Bissaka. Man United have been haggling with West Ham for the best part of two months for Aaron Wan-Bissaka. The Hammers want Wan-Bissaka as part of their major summer rebuild. And pre-season performances have proved they sorely need the defensive specialist. Initially West Ham wanted to pay around £10m. Man United were demanding between £15-18m and – according to reports – the two clubs have settled on £15m. The Red Devils signed Wan-Bissaka from Crystal Palace for…