The Gunners hope to land three of their top targets by the end of this week, with Viktor Gyokeres, their No1 priority, nearing a move to north London.
Talks with Sporting appeared to hit a snag over “financial discrepancies”, but now, those fears seem to have been allayed, and the deal should go through within days.
Elsewhere, Noni Madueke’s £52m move from Chelsea is almost a formality, while Cristhian Mosquera has undergone a medical ahead of his switch from Valencia.