NFL owners voted to allow private equity firms to buy stakes in their franchises, a move expected to attract billions in fresh capital while boosting team valuations that had already been surging. During a special one-day league meeting in Minneapolis, the group loosened some of the strictest ownership rules in professional sports to allow private equity to own as much as 10% of a team, according to the NFL. [time-brightcove not-tgx=”true”] Transactions are expected to happen quickly, given that the owners have already approved firms to pursue investments.