Complex sentence: The next day Shea was on the front page of the news they rounded up 51 mobsters in total in what the papers called "a sweeping blow to the criminal organization of reputed underworlf figure James J. (Whitey) Bulger".
Split into simpler sentences: The next day Shea was on the front page of the newspaper. They had rounded up 51 mobsters in total in what the papers called "a sweeping blow to the criminal organization of reputed underworld figure, James J. (Whitey) Bulger".