Adams says the former Rayo Vallecano coach is very 'hands off' when it comes to tactics.
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He told the Daily Mail: “I think at the beginning it was tough for people to understand because he's a minimalist.
"He doesn't go overboard - draining you with tactics, making things confusing. It's very simple and to the point.
“I think some people were searching for a little bit too much instruction and needed to be guided a little bit too much.”
Adams also laughed: “Some people that were stable and comfortable in that environment said… what, is this guy crazy?”