The team doctor of the Houston Astros told jurors in testimony that pitching great Roger Clemens showed no physical signs of using anabolic steroids or human growth hormone during his stint with the club.

However, Houston orthopedic surgeon Dr. David Lintner offered testimony that may improve content of the prosecutors that the baseball player lied to Congress about using performance enhancing drugs.

The Yankees did not make B-12 shots available to players or authorize injections by non-medical personnel, New York Yankees‘ general manager Brian Cashman testified.