Celtics Notebook: Frank Vogel has guidance for Brad Stevens on Hayward front

ORLANDO, Fla. — Frank Vogel didn’t need to be asked. The Magic coach — and former Celtics assistant and video guy — was leading the Pacers when Paul George broke his leg in a national team scrimmage three years ago. He had a flashback when Gordon Hayward fractured his ankle in the season opener.

“I was watching the game, so the first thing I thought about was Paul and what that felt like and what my experiences were like,” said Vogel, who developed a strong friendship with Brad Stevens when the two were coaching across town from each other in Indianapolis. “So I shot (Stevens) a text and kind of said, ‘I’m here if you need anything.’

“He called me the next day and said, ‘Tell me everything —…