He'll fill in for Larry Westerlund who is a lieutenant commander in the naval reserve, and has been called to active duty.
Caprioglio will serve out Westerlund's term which expires in January.
Dora Westerlund will take over campaigning for her husband, who is seeking a second term on the city council in the June 3 election.
If he is re-elected, Westerlund will miss the first several months of that term as he completes his military service.
