Jul 27, 2006 3:44 AM EST

Lawyers for Barry Bonds' personal trainer say he'd rather go back to prison for a third time than take part in the grand jury investigation of his childhood friend for tax evasion and perjury.

Fresh off a 15-day jail term for refusing to cooperate in an earlier phase of the probe, Greg Anderson is expected to be called Thursday before a new grand jury investigating the Giants slugger. But the trainer is expected to renew his vow of silence.

Via AP