When boxrec has no other info on a fighter it usually means it was someone fighting under another name or just a staged fight to give the 'name' opponent work/ money. It very rarely means that the guy was a genuine debutant.
True and to be honest anyone making their pro debut against somebody as seasoned as Chavez in his prime would have had to be a complete loon
Heres one that looks like it might be a genuine pro debut world title shot. I've checked on Google and apparently its legit. http://www.boxrec.com/list_bouts.php?human_id=51391&cat=boxer
No at 140!!! Saensak Muangsurin...:good http://www.boxrec.com/list_bouts.php?human_id=035832&cat=boxer
Veeraphol Sahaprom Won the WBA bantam title in his fourth fight and debuted in an International title fight.