By Sedara Oluwadara Liverpool have reached a deal with Benfica to sign Uruguay striker Darwin Nunez, the Portuguese club have confirmed.   Benfica say a fee of 75m euros (£64m), rising to a potential 100m euros (£85m) with add-ons, has been agreed.   Nunez, 22, scored 34 times in 41 appearances across all competitions for Benfica last season.   Liverpool's record transfer is the £75m paid to sign centre-back Virgil van Dijk from Southampton in 2018.   Premier League rivals Manchester United were reportedly also interested in signing Nunez, who cost Benfica 24m euros (£20.5m) when he signed from Spanish