The Germany legendary name, Rudi Voeller was touted as a prospects head of coach of Harimau Malaya on replacement candidate after Rajagobal resignation 31 December 2013.
Speculation on replacement of Rajagobal triggered after Harimau Malaya with no progress lost nine friendly matches compare two times win and one draw this year.
Former coach of Germany's 53-year-old will be assigned and responsible to bring Harimau Malaya to the weather of World Cup 2018 qualifying round campaign in Russia if true he will replace Rajagobal.
On other resources, Mueller is also expected candidates to help Harimau Malaya at Australia's Asian Cup campaign 2015 if the team successfully passed the qualifying campaign soon.
Football critics, Zakaria Abdul Rahim comment on speculation, he really welcome Mueller to lead the Harimau Malaya.
However Football Association of Malaysia (FAM) must undergo more details review and make the direction of target if they want to appoint him (Mueller).
"No spending more for Mueller as a coach for hunting greater success for Harimau Malaya.
"For me, there is no point in appointing him (Mueller) if we just want to reclaim the AFF Suzuki Cup title, better appointed local coaches," he said yesterday.
Meanwhile, the appointed of Rajagobal on April 20, 2009 will be continue services if him successfully passed the Key Performance Indicator (KPI) set by FAM to Harimau Malaya passed the 2015 Asian Cup qualifying campaign.
The others candidates touted to occupy the 'hot seat' after this, including Sarawak coach, Robert Alberts, former Singapore coach, Radojko Avramovic, head of coach of Harimau Muda A, Ong Kim Swee and former coach of Harimau Malaya, B.Sathianathan.
"Preparation of World Cup 2018 qualifying campaign should start early. I like to suggest Harimau Muda A or Harimau Muda B for the country's challenge for the campaign.
"In addition, the Harimau Malaya should also make arrangements in Germany where Mueller became coach for early exposure," said Zakaria.
Mueller was the former of coach for several world-renowned clubs like Marseille and AS Roma. Currently he serves as a director sport of German club, Bayern Leverkusen since 2005.
He has helped German reached the final of the 2002 World Cup before stepped down as a coach after German early exit at Euro 2004 campaign.