Another historical stat from ESPN regarding close losses and eventual results (Heatles now .278):
Worst regular season close-game win pct
Season Team Reg W-L Close WPct Close W-L Playoff Result
1958-59 Syracuse Nationals 35-37 .206 7-27 L, East Div Finals
1976-77 Denver Nuggets 50-32 .222 4-14 L, West Conf Semis
2005-06 Indiana Pacers 41-41 .267 8-22 L, East 1st Round
1968-69 San Diego Rockets 37-45 .273 6-16 L, West Div Semis
1993-94 Miami Heat 42-40 .278 5-13 L, East 1st Round
2002-03 New Jersey Nets 49-33 .286 4-10 L, NBA Finals
1995-96 Miami Heat 42-40 .286 6-15 L, East 1st Round
1952-53 Baltimore Bullets 16-54 .292 7-17 L, East Div Semis
1984-85 Portland Trail Blazers 42-40 .294 5-12 L, West Conf Semis
2000-01 San Antonio Spurs 58-24 .294 5-12 L, West Conf Finals