![Wyscout no Twitter: "#Wyscout Account Manager Riccardo Ogrisek with Zinedine Zidane,Paul Clement and Jack Nayler" / Twitter Wyscout no Twitter: "#Wyscout Account Manager Riccardo Ogrisek with Zinedine Zidane,Paul Clement and Jack Nayler" / Twitter](https://pbs.twimg.com/media/Bbne5rsCEAAn3tC.jpg)
Wyscout no Twitter: "#Wyscout Account Manager Riccardo Ogrisek with Zinedine Zidane,Paul Clement and Jack Nayler" / Twitter
![Ex Celtic first team staffer Jack Nayler joins Everton in Premier League after RB Leipzig exit - Football Scotland Ex Celtic first team staffer Jack Nayler joins Everton in Premier League after RB Leipzig exit - Football Scotland](https://i2-prod.footballscotland.co.uk/incoming/article25096546.ece/ALTERNATES/s615/0_JS103152570.jpg)
Ex Celtic first team staffer Jack Nayler joins Everton in Premier League after RB Leipzig exit - Football Scotland
![Leipzigs Athletiktrainer Kai Kraft, Athletiktrainer Ruwen Faller und Jack Nayler (Leiter Sportwissen Leipzigs Athletiktrainer Kai Kraft, Athletiktrainer Ruwen Faller und Jack Nayler (Leiter Sportwissen](https://cdn.imago-images.de/bild/sp/1004095139/m.jpg)
Leipzigs Athletiktrainer Kai Kraft, Athletiktrainer Ruwen Faller und Jack Nayler (Leiter Sportwissen
![Football Science Institute on Twitter: "Today we share an article from 2 years ago, when one of the FSI Faculty professors Jack Nayler, started as Head of Science of Celtic Football Club. @ Football Science Institute on Twitter: "Today we share an article from 2 years ago, when one of the FSI Faculty professors Jack Nayler, started as Head of Science of Celtic Football Club. @](https://pbs.twimg.com/media/DzsByGnWwAEIw4C.jpg)
Football Science Institute on Twitter: "Today we share an article from 2 years ago, when one of the FSI Faculty professors Jack Nayler, started as Head of Science of Celtic Football Club. @
![Celtic lose sports science chief Jack Nayler to RB Leipzig as Ange Postecoglou looks for replacement | The Scottish Sun Celtic lose sports science chief Jack Nayler to RB Leipzig as Ange Postecoglou looks for replacement | The Scottish Sun](https://www.thescottishsun.co.uk/wp-content/uploads/sites/2/2021/06/NINTCHDBPICT000662652229.jpg)
Celtic lose sports science chief Jack Nayler to RB Leipzig as Ange Postecoglou looks for replacement | The Scottish Sun
![Celtic Kit Controller Stevie Wright (right) speaks with head of sports science Jack Nayler and first team physio Jennifer Graham (left Stock Photo - Alamy Celtic Kit Controller Stevie Wright (right) speaks with head of sports science Jack Nayler and first team physio Jennifer Graham (left Stock Photo - Alamy](https://c8.alamy.com/zooms/9/90fa2645ebe24975821866e2dab21b83/2d5r04j.jpg)