Celtics Notebook: Al Horford, Jaylen Brown ruled out for Cavs, Ainge quiets Kendrick Perkins rumor mill

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Jaylen Brown did not take part in practice for the second straight day on Thursday afternoon at the Auerbach Center, as Brad Stevens acknowledged he would miss his second consecutive game on Friday night with a bruised tailbone. The team also announced Al Horford will have a scheduled night of rest against the Cavs, which should open up some minutes for Aron Baynes and Daniel Theis while facing more traditional bigs in Larry Nance Jr. and Tristan Thompson.

With a back-to-back scheduled on Friday night at the Garden and Saturday in Minnesota, the odds seem to favor Brown missing both contests and resting the injury for a full week and a half from game action before the C's return to the floor next Thursday night in a home tilt against the Knicks.

The added benefit of playing it cautious with Brown? Stevens will get some extra time to look at the new fits in the starting five from Monday night, featuring Marcus Smart in the backcourt and Marcus Morris at the 4 without having to make any demotions official.