Manchester City are desperate to tie Erling Haaland down to a new contract. Haaland has enjoyed two successful seasons in the Premier League, winning back-to-back titles at the Etihad since arriving in a £51million deal from Borussia Dortmund in the summer of 2022. The Norway international still has three years left on his contract. But a clause in the deal with City, which allows Haaland to join any club outside England for £175million, has kicked in this summer. Haaland’s buy-out fee will now drop in each of the remaining three seasons left on his deal, according to the UK Mirror. City are a…