Fired and dumped, a directionless young man takes a pizza delivery job, but when he is mistakenly given the kiss of death by a psychotic mafia boss, he must outsmart the mob to survive and save the love of his life.

There is no indication that the “love of his life” is in danger or in need of being saved. You can tighten up the logline by dropping that part:

When a down-and-out pizza delivery man is mistakenly given the kiss of death by a psychotic mafia boss, he must outsmart the mob to survive.