Conservatives pick De Montfort University academic Paul Bremner as Leicester mayoral candidate
Sir Peter will defend a huge majority, having got nearly 47,000 votes in May 2011, 37,000 more than his nearest rival.
The only other mayoral candidate to announce they are taking him on so far is former Labour councillor Barbara Potter.
She is standing as a as a member of the Leicester Independent Councillors Against Cuts group, which is affiliated to the Trade Union and Socialist Coalition.