Microsoft cofounder Paul Allen owned 2 pro sports teams before he died in 2018. Rumors are swirling about their fate — and now Nike's founder could pay $2 billion to own one of them.

Portland Trail Blazers owner Paul Allen during the second half of an NBA basketball game against the Golden State Warriors in January 2017.Marcio Jose Sanchez/AP

• Speculation is mounting that late Microsoft cofounder Paul Allen's pro sports teams could be sold.
• Nike founder Phil Knight already submitted a $2 billion bid for the Portland Trail Blazers.

When Microsoft cofounder Paul Allen died in 2018, he left behind a collection of assets ranging from multimillion-dollar properties to a 414-foot megayacht.

While much of it has been sold in the years since, two expensive — and high-profile — holdings remain: the NBA' Portland Trail Blazers and the NFL' Seattle Seahawks.

The fates of Allen's pro sports teams have been unclear since his death, when his trust passed into the hands of his sister, Jody Allen. Jody Allen hasn't given a single interview in the intervening years, which means there are few clues about the future of the two teams.

But speculation is mounting that both teams could be sold off to fulfill the terms of Paul Allen's estate, and sold off in the near future. With both teams valued at or above $2 billion, there's a small pool of moguls wealthy enough to submit a bid — and one famous exec has already made an offer.

Here's what we know about Allen's estate, and the future of his teams.