Pietersen said that while England had got the "right personnel in charge", the entire cricket structure needs a "shake-up" to bring the team out of the "doom-and-gloom" scenario.
England are set to return to a split-coaching structure after ECB's new Managing Director Rob Key made his first major decision by advertising for two new head coaches.
Shastri is convinced England need to bring out-of-favour pace bowlers James Anderson and Stuart Stuart Broad back into the side, as "there is no substitute for experience". The most successful England bowling pair has aggregated 1177 Test wickets so far.
Ben Stokes thinks that it will be a "huge honour" if he gets the opportunity to captain the side.
Morgan, who played a Test match in February 2012 against Pakistan at Dubai, has backed Stokes to take the role of captaining England in the longest format of the game.
Hussain felt that after Root led the England Test side for five years, it was time for change and Stokes would be the ideal candidate to replace the outgoing captain.
Kevin Pietersen has lashed out over people pointing fingers at Joe Root's future as Test captain after the 1-0 series loss to West Indies, saying that the cricketing setup in the country 'stinks'.
The defending champions are yet to get a win against their name in the tournament, losing to Australia by 12 runs and to West Indies by seven runs.
England interim head coach Paul Collingwood on Sunday said his main concentration is on the next four weeks with the Test side on the tour of West Indies.
Joe Root has clarified that it is not the end of the road for celebrated ageing pace-bowling stalwarts Jimmy Anderson and Stuart Broad after they were not considered for the three-Test series in the Caribbean next month.