Historical clue formulations

• Charley who caught Warren Spahn's 1961 no-hitter — 2015-04-24
• "The Art of Hitting .300" writer Charley — 2010-02-26
• Charlie of the 60's Orioles — 2006-11-03
• Batting instructor Charlie — 2006-08-17
• Famed batting instructor Charlie — 2000-05-27
• Charlie of the 60's Orioles — 1998-06-07