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Stat man: The Jared Sullinger-Kelly Olynyk combo

The debut of the much anticipated Jared Sullinger and Kelly Olynyk frontcourt combination — one to which Celtics [1] president of basketball operations Danny Ainge even admitted his intrigue — didn’t come until midway through the second quarter of the team’s first preseason game. And even then only lasted 8:29 in spurts.

Based on the early returns, we’ll be seeing a lot more of the Sully-O clinic early and often. Actually, don’t be surprised if that duo with 45 NBA games between them ultimately takes over the starting 4 and 5 spots.

“I don’t have a plus/minus report right now, so I don’t know,” said coach Brad Stevens [2] after his first game on the Celtics sidelines, a 97-89 loss to the Raptors, “but I thought they played pretty well together.”

When Stevens took a look at that report and watched film later Monday night — his self-imposed requirement before sleeping — he discovered this: Olynyk and Sullinger owned a plus-7 rating, combining for 10 points (4-8 FG), four assists and three rebounds in their 8:29 on the floor together. Of the nine Celtics field goals in those 509 seconds, the rookie and the sophomore either scored or assisted on seven of them.

When Stevens added Gerald Wallace [3] to that frontcourt mix — forming a complementary trio of flair, hair and derriere that the coach has praised throughout training camp — the production was unmistakable.

“The one thing I’ve learned about Gerald Wallace in my short time knowing him is he’s going to give it everything he has, regardless of whether it’s in practice, an exhibition game or a regular-season game,” added Stevens. “That guy plays hard, and it’ll be good. I think that sets a really good tone for our team.”

Wallace played all 8:29 alongside Olynyk and Sullinger, and as a group they totaled 16 points (6-12 FG), seven assists and four boards. That trio either scored or assisted on all nine field goals in those 509 seconds. They’re 36-minute averages: plus-30, 68 points, 30 assists and 17 rebounds. In their own words:

Sure, this is a ridiculously small sample size, but it’s also got ridiculously large potential. And, as a result, the Celtics might actually have an unfamiliar thing called frontcourt depth this season.