The New York Daily News is reporting Brian McNamee is scheduled to appear before a grand jury that will decide whether to indict Roger Clemens for lying under oath to Congress.
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McNamee's appearance is scheduled for Tuesday, according to a report posted on the newspaper's website on Friday.
Clemens' former trainer has said he injected the pitcher with steroids and HGH over a period of several years, a claim the seven-time Cy Young Award winner has denied.
The grand jury is reviewing Clemens' testimony before a congressional committee in 2008, when he denied using steroids or human growth hormone.
Former slugger Jose Canseco is scheduled to appear before the panel on June 3.
Posted: 5/22/10 11:00AM ET