
Nationals second baseman Danny Espinosa has a very vivid memory from his major-league debut. It was Sept. 1, 2010 and the Nats were playing in Florida against the Marlins. Espinosa drove in a run with a double. That isn't the memory.

A late-night phone call summoned the playoff barber.

Davey Johnson's success raises an intriguing question: How does he remain mentally proficient at his age, particularly in a line of work that requires statistical command, stellar memory, quick decision-making and astute emotional judgment? The answer may lie in his brain — and in the emerging scientific concept of neuroplasticity.

F.P. Santangelo is the fourth MASN analyst to dissect the Washington Nationals' ups and downs alongside Bob Carpenter. Arguably, he is the best — and the biggest jabberwocky.