Celtics notebook: Short preseason’s no killer to Kyrie Irving

Credit: Matt WestNEWPORT, R.I. — The Celtics ran through their first double session of training camp yesterday at Salve Regina University and play their first exhibition game on Monday at the Garden.

Such is the nature of this year’s new shortened, four-game exhibition season. It’s a veteran player’s dream.

“Hell yeah,” Kyrie Irving said after last night’s second session. “It’s like you get so used to playing what, eight games? And it’s a month. I like it. I like it. We get games starting earlier and we just get the season started. It’s a limited amount of time, especially if you’re in a new situation, but it’s all a learning experience at the same time. So I enjoy getting to know all these…