"We are not even aware of the rules of engagement. So let them do it without him," jubilee party chairman told the star on Wednesday via phone.
The star is one of the biggest magazines in Kenya so this report probability of being true is very high.
Mr president will not be engaged in shouting matches like those witnessed in Nairobi governor debate.
Others who will be in debate apart from raila odinga include
Cyrus Jirongo (United Democratic Party), Ekuru Aukot (Thirdway Alliance), Abduba Dida (Alliance for Real Change) and independents Joseph Nyagah, Michael Wainaina and Japheth Kavinga.
The debate will be aired in catholic university.