About Ken Griffey Sr.
George Kenneth Griffey Sr. (born April 10, 1950) is an American former professional baseball outfielder. He played in Major League Baseball (MLB) from 1973 through 1991, most notably as a member of the Cincinnati Reds team that won three division titles and two World Series championships between 1973 and 1976. He also played for the New York Yankees, Atlanta Braves, and Seattle Mariners. A three-time All-Star, Griffey hit over.300 in five seasons for the powerful Cincinnati batting order that was known as the Big Red Machine for their dominance of the National League in the mid-1970s. In 2004, Griffey was inducted into the Cincinnati Reds Hall of Fame. He is the father of Hall of Fame outfielder Ken Griffey Jr.; the two were teammates on the Mariners for 51 games between 1990 and 1991. However, as his high school graduation in 1969 neared, he discovered his girlfriend was pregnant. After his first minor-league season, Ken Griffey Jr. was born. He batted.289 with 5 stolen bases in 10 postseason games as the Reds won the World Series.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.