Aston Villa have unveiled Lewis Dobbin as the club’s first summer signing as the Everton starlet prepares to show his worth in Unai Emery’s side. After increased speculation surrounding transfer activity, Aston Villa announced their first signing of the summer window on Sunday afternoon. Unai Emery and Monchi secured the talent of Everton starlet Lewis Dobbin for a fee in the region of £10m, with Tim Iroegbunam going the opposite way in a separate deal days prior. The Villans lured the 21-year-old away from the Toffees, whom he had represented from the age of 11, where he rose through the rank…