Add "team owner" to Kevin Durant's massive resume ... 'cause the NBA champ just bought a stake in the Philadelphia Union of the MLS!!
The Union announced the partnership on Monday ... saying KD bought 5% of the team ... with the option to take on another 5% down the road.
Durant's official title will be "investor and community partner" ... and the team will work with his Thirty Five Ventures on marketing and community outreach.
"I’m excited to partner with the Philadelphia Union for years to come," KD said in a statement. "My team and I connected instantly with the Union coaching staff and leadership, as well as the team’s story."
Durant says the team will work with his Kevin Durant Charity Foundation to make an impact in the communities surrounding Philadelphia as well.