March 21st:

1908: Ty Cobb signs a $4,000 deal with the Tigers that also pays him an $800 bonus if he hits .300.

1959: The Indians trade Larry Doby to the Tigers for Tito Francona.

1966: The Astros and Dodgers play in an exhibition in the Astrodome, the first teams to play on artificial grass.

1968: The new AL expansion franchise in Kansas City announces it will be known as the Royals.

1978: The Padres fire manager Alvin Dark. Pitching coach Roger Craig takes over on an interim basis.