It wasn't pretty but the Italian did the job on 72 minutes, as Manolo Gabbiadini slammed home close range to score the winning goal.
Saints had to survive a tense end to the game but they got this one over the line.
It has been an awful season but this moment must be enjoyed.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here