Arsenal have been linked with Euro 2024 hero Mikel Merino, who could be available for a bargain price this summer. Merino scored the winner for Spain in extra time to knock Euro 2024 host nation Germany out in the quarter-finals. The 28-year-old has been outstanding for Real Sociedad since joining from Newcastle in 2018, and he, like his midfield partner Martin Zubimendi, has been linked with both Arsenal and Barcelona. Merino is reportedly available for as little as £21m this summer as he enters the final year of his contract, and Mikel Arteta is interested in the Spaniard. However, he may fa…