The Floyd Mayweather-Manny Pacquiao welterweight championship fight on Saturday in Las Vegas was expected to generate 3 to 4 million pay-per-view buys at nearly $100 each, but thousands also watched the boxing match for free thanks to Twitter’s video-streaming app, Periscope. Lawyers for Las Vegas-based Top Rank, the fight’s co-promoter, were looking into the alleged piracy Monday.
