Joe Mazzulla gambled on his starting lineup in Game 7 against the 76ers on Saturday night and it went bust to a historical degree. The Celtics fell to Philadelphia 109-100 , allowing their opponents to complete a comeback from down 3-1 in the series.

After back-to-back losses and with Jayson Tatum sidelined by a knee injury , Mazzulla made wholesale changes to his starting lineup and paid the price for overthinking things.

For the first six games of the series, Mazzulla ran out the same starting lineup, listed below.

Jaylen Brown

Jayson Tatum

Derrick White

Sam Hauser

Neemias Queta

Instead of just swapping another player in for Tatum, he decided to give the lineup a complete facelift. The group he went with is listed below.

Jaylen Brown

Derrick White

Baylor Scheierman

Ron Harper Jr.

Luka Garza

To give an idea of how shocking this was, Scheierman, Harper and Garza made a combined 29 starts this season.…