Historical clue formulations

• Place for a pitcher — 2021-06-27
• Center of a 57-Across — 2009-10-07
• Pitcher's place — 2008-05-07
• Diamond center — 2008-04-13
• Pitcher's place — 2005-02-07
• Knoll — 2004-05-24
• Pitcher's place — 1999-04-12