Because of the way sport BJJ and sport judo are taught, sometimes the best option is to train both separately.
Because of the way sport BJJ and sport judo are taught, sometimes the best option is to train both separately. But a BJJ-for-MMA school should be conversant with takedowns, and any school that purports to have general-purpose BJJ or judo should spend at least a tenth or a quarter of their time on groundwork and throws each.