8 Most Unfair Manager Sackings, With Chelsea & Real Madrid Featuring Heavily, Plus Controversial Pick

7) Frank Rijkaard (Barcelona)

Although his replacement Pep Guardiola revolutionised Barcelona, it still seems harsh that Frank Rijkaard was sacked after doing so much of the work that future Barca sides were built on, with the Dutchman bringing many trophies and superb Ronaldinho-inspired football to the Nou Camp in his reign.