leicester city take on west ham at the king power stadium on saturday .
foxes boss nigel pearson has come under fire this season for some of his antics this season .
these have included outbursts to the press and an altercation with crystal palace midfielder james mcarthur in february .
west ham manager sam allardyce has defended pearson and his record .
the pair have worked together before when pearson was part of allardyce 's coaching team at newcastle in 2007 .