Nagelsmann, just 30 years old, became coach at Hoffenheim in 2016 and guided them to third place in the table last season.
The 25-year-old -- who missed Brazil's opening 1-1 draw with Switzerland at the World Cup because of an ankle injury -- gives Jose Mourinho a powerful-looking midfield.
A spokeswoman for Moscow's Tverskoi district court, Anastasia Dzyurko, confirmed to AFP that Eldar Isayev was detained Wednesday until August 18.
Hasek, 54, has signed a one-year deal to return to the club he previously managed in 2014-2015, Tyden daily reported.
It came as NZF chief executive Andy Martin revealed at a press conference that 13 players had said they no longer wanted to play under the Austrian.
However, Emery told the injury-prone Wilshere even with that he would not be prominent in his planning for next season.
Australia face Denmark in Samara on Thursday looking to secure a win that would rescue their bid for a place in the last 16, a feat achieved only once by the Socceroos, in 2006.
France defender Lucas Hernández also extended his deal with the club until 2024.
Bahr was the last surviving member of the team which famously shocked England at the 1950 World Cup.
The Lisbon club was without a coach and nine players have said they are breaking their contracts after fans attacked the squad in mid-May.
Second flight league winners Rayo Vallecano and Huesca, who came second were also promoted
Football is sacred in Latin America's biggest country and for many nothing will get in the way of watching the "Selecao's" games, starting this Sunday.
The 1998 champions take on Australia.
The Barcelona maestro was not born when the 'Albiceleste' last tasted success in 1986 and, at almost 31, knows that time is running out.
According to Marca newspaper, the deal is worth 45 million euros.