Episode 24:

Arm strength

1. Last season, our cameras paid a visit to the Da Vinci of the modern throwing motion -- "QB Whisperer" Tom Martinez. His masterpiece: Patriots QB Tom Brady.

2. But now, with Martinez in dire need of a kidney transplant, their relationship has gone far beyond the gridiron.

3. "The NFL Season: A Biography," presented by SAP, returns to Menlo Park, Calif., where a teacher fights for survival, running better by the strength of his greatest student.