Fierce rivalries are a cornerstone of boxing. But Taylor and Serrano, who will fight for a championship title on Netflix on Friday, are going about it differently.

Can the potential success of Katie Taylor's rematch with Amanda Serrano help elevate women's boxing -- and lead to better paydays?

The official line from Katie Taylor and Amanda Serrano is that they are thrilled to costar in the Friday night fights in the Dallas Cowboys stadium. But the unspoken truth is that the next chapter of their old-school boxing rivalry,