@Greg - my situation is actually the opposite - when leads are purged in data hygiene, from Marketo, the record is NOT removed from SFDC at the same time. Doesn't make sense to me....
I'm schooled in the 1:1 synch model of M.A. and CRM - matching record in each system for each record in the other.So, upon inheriting a Marketo/SFDC stack, i'm trying to understand...