Elgin Baylor had 1,724 boards in the playoffs in his career.

how many rebounds grabbed elgin baylor in playoffs debut
NAMEGPREBMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSASTSTLBLKTOVPF+/-
Elgin BaylorElgin Baylor1341,72441.127.012.94.010.423.643.96.38.277.15,5103,623541435
StatMuse has season-level data for rebounds going back to the 1951 playoffs.