Darkhorsing 

Verb.

When a smaller, lesser known team unexpectedly succeeds/wins games or tournaments.

Wow, Switzerland are darkhorsing against France in the penalties to get to the quarterfinals.

Darkhorsing by starsofthesouth June 29, 2021

Darklording

The art of pumping up your fantasty sports players with the hopes of later trading them to some unsuspecting team manager.

That player actually sucks, he was just darklording

Darklording by bagleyboy January 3, 2019