Historical clue formulations

• Court no-nos — 2015-01-09
• Whistle prompters — 2014-11-23
• They're not fair — 2005-12-20
• Cagers collect them — 2005-08-20
• Hard pushes, maybe — 2002-09-06
• They may be technical — 2001-06-27
• N.F.L. no-nos — 1999-11-23
• Basketball boo-boos — 1998-09-23