Petre Thomas-USA TODAY Sports

The Boston Celtics ruled out four players for Tuesday night's nationally televised game against the Miami Heat, including their starting backcourt plus a third starter.

Guards Jaylen Brown (right adductor injury management) and Marcus Smart (right ankle sprain) will join starting power forward Al Horford (low back stiffness) in street clothes in Miami. Reserve guard Malcolm Brogdon (personal) will also miss a second consecutive game.

Danilo Gallinari (ACL) is already out for the season.

Brown played 37 minutes and scored 26 points in Monday night's loss at Orlando. Horford also played, scoring six points in 30 minutes.

Smart injured his ankle Saturday night and did not play against the Magic. Derrick White started in his place and figures to draw the start Tuesday night in Boston's fourth and final meeting vs. Miami this season.

Robert Williams was held out of Monday's game for maintenance but was not on Tuesday's injury report.

The Celtics remain No. 1 in the Eastern Conference with a 35-13 record.

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