Aaron Hernandez
TMZ Sports broke the story ... the ex-NFL star met with Baez and officially retained him as his attorney last month to represent him in his double murder trial.
Hernandez is accused of gunning down two people in a drive by shooting in 2012. Of course, he was previously convicted for the 2013 murder of Odin Lloyd.
As for today's hearing -- it was all about evidence in the double murder case. They're all expected back in court next month.
