I´m sure there was.
Back then they had a lot of guys who were made in the 1950s or earlier. Most of the older guys didn´t get involved.
Álso let´s not forget that the list is not complete. But it´s pretty close.

Most of the guys listed above are the ones that got killed or took an active part in hit teams assembled by the bosses. The rest of them (on the list) had noticeably aligned themselves with one of the two factions.
This comes through in indictment files, wire taps and numerous turncoats.