It's true there was someone from Leeds.
"I am responsible for it because I didn't ask Leeds United for permission to do it". It doesn't matter if this is legal or illegal, or right or wrong. for me, it is enough that Frank Lampard and Derby felt it was not the right thing to do, for me to believe that I didn't behave well.
"Are you telling me Frank Lampard in the past, with team-mates in the opposition, that they don't find out who's in and who's out?"
Bielsa spoke to Lampard over the phone to accept full responsibility for the incident but the former England midfielder was still unhappy with the pre-match distraction after goals from Kemar Roofe and Jack Harrison secured Leeds a welcome win.
Gary Neville, former Manchester United player and England assistant coach, has criticised the press for taking the moral high ground in the debate, recalling times when journalists would send spies to watch England train at worldwide tournaments and publish tactics, effectively doing the opposition's preparation for them.
However, former Manchester United captain Gary Neville has this morning responded to Winter, and in doing so has indirectly accused the media of being hypocrites, after their years of trying to undermine the potential success of the England national team, just to sell newspapers.
Frank Lampard and Marcelo Bielsa shake hands prior to kick-off
"At least, on a sportsman's level, it's bad in my opinion", he said speaking to Sky Sports. It's disrupted our preparations.
Police were called following reports that the man was "acting suspiciously", the club added.
How can you as journalists think it is right on private training sessions to actually snoop, watch and then reveal tactics and team selections to the whole world?
"I don't think we need to [investigate], because he's admitted it so it's easily dealt with".
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United chairman Andrea Radrizzani apologised in face-to-face discussions with Derby owner Mel Morris after it emerged that a man stopped by police outside County's training ground on Thursday was a member of Marcelo Bielsa's staff. No arrest was made. Officers conducted routine checks which were all above board.
Tottenham manager and fellow Argentine Mauricio Pochettino was one of the few to defend Bielsa, whom he played under at Newell's Old Boys in their native country, claiming the trick was widespread among the nation's coaches. "Here maybe it is a little bit weird but in Argentina it happened".