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.

• 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.

• Allen’s trust has sold off other assets, including property and a yacht, since his death in 2018.

When Microsoft cofounder Paul Allen died in 2018,…