WNBA is entering a new era: Skyrocketing viewership, sold-out arenas, young stars

"He's like, 'Oh, I had to fly commercial. I didn't have these charter flights.' Or, 'Oh, these guys are making $40 million. Like, my contract was only -- I don't know, $10 million.' And he kind of sounds disgruntled," Bird said on NPR's "Fresh Air" last month.