After World Cup goals are last year's signings finally set to deliver for Newcastle?

After World Cup goals are last year's signings finally set to deliver for Newcastle?Image source, Getty ImagesImage caption, Sweden's Anthony Elanga and DR Congo's Yoane Wissa both bowed out of the World Cup in the last 32ByCiaran KellyNewcastle United reporterPublished4 minutes agoCommentsHalf of Premier League transfers fail.This was the stark conclusion reached by Dr Ian Graham, Liverpool's former director of research.But Newcastle United appeared to buck the trend.Alexander Isak, Bruno Guimaraes, Kieran Trippier and Dan Burn were just some of the signings who went on to be huge successes at St James' Park.It felt like the club had cracked the code. Until last summer, that is.Aside from defender Malick Thiaw, Newcastle did not see enough of an immediate return from a £100m-plus net spend.And as much as Newcastle require reinforcements right now - they are currently finalising a move for Hoffenheim winger Bazoumana Toure - they also need a lot more from those players who arrived last summer."I believe in all those signings," head coach Eddie Howe said in one of his final news conferences last season. "I think they will come good."The coming months will tell us a lot more in that regard, but Anthony Elanga and Yoane Wissa offered some positive signs in their performances at the World Cup. The pair certainly looked a little more like the players who first grabbed Newcastle's attention at Nottingham Forest and Brentford respectively.They even ended up scoring as many goals (five) combined at the tournament as they did during their first campaign at Newcastle.It's always dangerous to read too much into performances at a World Cup, but can Elanga and Wissa take this renewed confidence back to Tyneside?'He's the kind of player that can change a game'Elanga had nothing to lose.Sweden were 4-0 down against the Netherlands when the substitute entered the fray in his side's second group game at the W...