Haslem, who has spent his entire 10-year career with the Heat, has 4,806 rebounds. He is chasing Alonzo Mourning, who had 4,808 in 11 seasons with the Heat.
Haslem pulled down the bulk of his rebounds from 2004-09 when he was a regular starter for Miami. In 80 starts in 2004-05, Haslem pulled down a career-high 726 rebounds.
Since 2009, his last season as a regular starter, Haslem has 1,258 rebounds in a little more than three seasons.
In 11 games off the bench this season, Haslem is averaging 4.4 points and 4.8 rebounds per game. Last season, Haslem averaged 7.3 rebounds per game.
With Haslem coming off the bench this season, the Heat are 8-3. Miami is fresh off of a stretch of five road games in seven days last week. The Heat were 3-2 in that span.
Miami is back in action Wednesday when it hosts Milwaukee at 7:30 p.m. ET.