Ex-MLB Star Dan Serafini Admits to Being Head of 'White Guys' Group in Prison, Forcing Inmate to Do 500 Burpees Serafini was questioned by prosecutors on Monday, Feb. 9, in his quest for a new trial after being convicted of murder in July Content Original Link: https://sports.yahoo.com/articles/ex-mlb-star-dan-serafini-001727455.html