The few arrivals that have occurred so far at St. James' Park, Ki Sung-yeung, Martin Dubravka and Kenedy, will provide a huge boost to the Magpies first-team squad as they seek to avoid second-season syndrome and retain their Premier League spot.
The 26-year-old featured for his nation at the World Cup and will arrive on Tyneside to hopefully strengthen the Magpies in the final third, after Benitez's side struggled for consistency in front of goal last season.
Muto becomes Newcastle's fourth signing of the summer, subject to work permit regulations, as the club look to build on last season's Premier League survival.
It appears to us, the club have gotten a decent price for the Serbian striker, now let's hope the cash is spent wisely.
"We needed a centre-back before [Lejeune's injury] and still we need maybe another one". Since then he has managed a total of 66 Bundesliga appearances, scoring 20 goals and has set up ten more for his team-mates.
United have been heavily linked with a move for West Brom forward Salomon Rondon in recent weeks, with Dwight Gayle being touted as a potential makeweight in any deal.
Reports have claimed that West Brom are looking for a fee in the region of £16m for Rondon.
YouGov Poll: UK voters support a referendum on final Brexit deal
May has said that the United Kingdom can not remain within the Customs Union of the EU, describing it as one of her "red lines". May has ruled out a customs union and Raab said Britain still believed it could reach a deal to avoid a "hard border".