The midfielder grabbed the only goal of the game with a powerful second half drive, dealing the Foxes their first defeat on home soil since November.
Our win at the King Power Stadium also closes the gap on the top three to four points with two matches of the season still to play.
And Park was delighted to play such an important role in that win after seeing other chances go begging in a tight affair.
MATCH REPORT: LEICESTER 0-1 CITY
“I’d had a couple of chances before that and tried to place them in, and they’d just gone over or wide.
“So I thought ‘you know what, I’m going to hit this and I’m going to hit it hard’.
“When I saw it go in the back of the net it was just relief, thank god for that!”
Hear Jess’ post-match thoughts in full via the video above...