Federal prosecutors still care deeply about steroids, and lying about their use to Congress as the aborted Roger Clemens trial shows.

The shredded reputation of Clemens remains in limbo after last week’s mistrial in the perjury case against one of baseball’s all-time greats.

“I think there’s certainly some performance-enhancing drug fatigue,” said Charles Yesalis, a professor at Penn State and longtime outspoken critic of PED abuse.