But Judge Susan Garsh ruled to impose a formal gag order to protect the ex-New England Patriot's right to a fair trial. His attorneys had sought one.
They claimed the prosecution orchestrated a "publicity stunt" last year when Miami Dolphin Michael Pouncey was served with a subpoena related to the case after a game at Gillette Stadium. Prosecutors denied that and say they've leaked nothing.
Hernandez has pleaded not guilty to the murder of semi-professional football player Odin Lloyd.
Garsh's order, entered Thursday, demands both sides take "reasonable precautions" against prejudicial disclosures and says prosecutors must investigate any reports of leaks.