Penta Beat Cavanaugh - Sacco beat Creepy Cavanaugh

George L. Sacco beat Cavanaugh and McGlynn
1972

http://electionstats.state.ma.us/candidates/view/Paul-J-Cavanaugh

Candidate	Vote Count	%
George L. Sacco, Jr Democratic	18,564	34.4%
John J. McGlynn Democratic	17,925	33.2%
Paul J. Cavanaugh Democratic	17,427	32.3%
Total Votes Cast	53,916

1974

Penta Beat Cav. Candidate	Vote Count	%
Robert M. Penta Independent	4,399	57.9%
Paul J. Cavanaugh Democratic	3,195	42.1%
Total Votes Cast	7,594