Derek Harper vs. Robert Williams III Season by Season Comparison

Side by side comparison of each NBA season of Robert Williams III and Derek Harper, from their rookie seasons to their last year played, in chronological order with awards, stats, championships and playoff performance of their teams every year.

Player comparisons:
Career comparison / Season by season

Who had the better rookie season? Who had best stats in their 10th season? Who won a championship first? These questions and many others, are answered here.

Derek Harper played 16 years in the NBA, 10 more than Robert Williams III, who played 6. Derek Harper had the first of his seasons in 1983-84, while Robert Williams III had his rookie season in 2018-19. With that starting point, here you can take a look at each of their seasons side by side and compare how their careers evolved in achivements, awards and championships won, the stats they recorded both in the Regular Season and the Playoffs and how their teams performed in the postseason.

Their Careers

Player		 Total Seasons Playoffs Played NBA Years
Derek Harper 16 10 1983-84 to 1998-99
Robert Williams III 6 5 2018-19 to 2023-24

Comparison Season by Season

Jump to season:
1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16

Rookie Season
Derek Harper Robert Williams III
Season 1983-842018-19
Team Dallas MavericksBoston Celtics
Honors & Awards
Playoffs Mavericks Lost West Conf SemisCeltics Lost East Conf Semis
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 82 20.9 5.7 0.6 1.5 2.1 2.9 1.2 0.3 1.4 1.7 2.4 5.5 .443 0.0 0.3 .115 0.8 1.2 .673
Robert Williams III 32 8.8 2.5 0.8 1.7 2.5 0.2 0.3 1.3 0.3 1.1 1.1 1.6 .706 0.0 0.0 - 0.3 0.5 .600
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 10 22.6 5.0 0.8 1.2 2.0 2.8 1.1 0.2 0.6 1.6 2.1 5.4 .389 0.3 0.8 .375 0.5 0.7 .714
Robert Williams III 3 4.3 1.3 0.3 2.0 2.3 0.0 0.0 0.0 0.0 0.3 0.3 0.7 .500 0.0 0.0 - 0.7 0.7 1.000

Season 2
Derek Harper Robert Williams III
Season 1984-852019-20
Team Dallas MavericksBoston Celtics
Honors & Awards
Playoffs Mavericks Lost West Conf 1st RdCeltics Lost East Conf Finals
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 82 27.0 9.6 0.6 1.9 2.4 4.4 1.8 0.5 1.5 2.4 4.0 7.7 .520 0.3 0.7 .344 1.4 1.9 .721
Robert Williams III 29 13.4 5.2 1.4 3.0 4.4 0.9 0.8 1.2 0.7 1.8 2.2 3.0 .727 0.0 0.0 - 0.8 1.2 .647
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 4 33.0 6.5 0.3 2.8 3.0 5.0 1.5 0.3 1.0 3.0 2.5 5.3 .476 0.3 0.8 .333 1.3 1.8 .714
Robert Williams III 13 11.5 3.7 1.7 2.2 3.9 0.8 0.2 0.5 0.5 1.4 1.8 2.4 .742 0.0 0.1 .000 0.2 0.5 .333

Season 3
Derek Harper Robert Williams III
Season 1985-862020-21
Team Dallas MavericksBoston Celtics
Honors & Awards
Playoffs Mavericks Lost West Conf SemisCeltics Lost East Conf 1st Rd
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 79 27.2 12.2 0.9 1.9 2.9 5.3 1.9 0.3 1.8 2.1 4.9 9.2 .534 0.2 0.6 .235 2.2 2.9 .747
Robert Williams III 52 18.9 8.0 2.6 4.3 6.9 1.8 0.8 1.8 1.0 2.0 3.6 5.0 .721 0.0 0.0 .000 0.9 1.4 .616
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 10 34.8 13.4 1.3 0.6 1.9 7.6 2.3 0.0 2.3 2.7 5.7 10.7 .533 0.8 1.4 .571 1.2 1.6 .750
Robert Williams III 3 15.3 6.3 2.7 2.3 5.0 0.7 0.3 3.0 0.3 2.3 3.0 4.7 .643 0.0 0.0 - 0.3 0.7 .500

Season 4
Derek Harper Robert Williams III
Season 1986-872021-22
Team Dallas MavericksBoston Celtics
Honors & Awards Achievement All-Defensive Second TeamAchievement All-Defensive Second Team
Playoffs Mavericks Lost West Conf 1st RdCeltics Lost NBA Finals
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 77 33.2 16.0 0.7 1.9 2.6 7.9 2.2 0.3 1.8 2.5 6.5 12.9 .501 1.0 2.8 .358 2.1 3.0 .684
Robert Williams III 61 29.6 10.0 3.9 5.7 9.6 2.0 0.9 2.2 1.0 2.2 4.4 6.0 .736 0.0 0.0 .000 1.1 1.5 .722
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 4 30.8 16.5 0.5 2.5 3.0 6.8 1.8 0.0 1.3 1.8 5.0 10.0 .500 0.5 2.3 .222 6.0 7.5 .800
Robert Williams III 17 23.2 7.7 2.5 3.6 6.2 1.0 0.7 2.2 0.6 2.0 3.1 4.6 .679 0.0 0.1 .000 1.5 1.6 .893

Season 5
Derek Harper Robert Williams III
Season 1987-882022-23
Team Dallas MavericksBoston Celtics
Honors & Awards
Playoffs Mavericks Lost West Conf FinalsCeltics Lost East Conf Finals
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 82 37.0 17.0 0.9 2.1 3.0 7.7 2.0 0.4 2.3 2.0 6.5 14.2 .459 0.7 2.3 .313 3.2 4.2 .759
Robert Williams III 35 23.5 8.0 3.0 5.4 8.3 1.4 0.6 1.4 1.0 1.9 3.6 4.9 .747 0.0 0.0 .000 0.7 1.2 .610
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 17 35.4 13.5 0.6 1.9 2.5 7.1 1.9 0.3 1.9 2.6 5.2 11.9 .441 0.5 2.1 .250 2.5 3.5 .729
Robert Williams III 20 20.9 7.7 1.8 4.2 6.0 1.0 0.5 1.3 0.8 2.2 3.4 4.3 .788 0.0 0.1 .000 1.0 1.4 .679

Season 6
Derek Harper Robert Williams III
Season 1988-892023-24
Team Dallas MavericksPortland Trail Blazers
Honors & Awards
Playoffs Did Not PlayDid Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 81 36.6 17.3 0.6 2.2 2.8 7.0 2.1 0.5 2.5 2.7 6.6 13.9 .477 1.2 3.4 .356 2.8 3.5 .806
Robert Williams III 6 19.8 6.8 1.8 4.5 6.3 0.8 1.2 1.2 1.2 2.8 2.8 4.3 .654 0.0 0.0 - 1.2 1.5 .778
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper ------- --- ----------
Robert Williams III ------- --- ----------

Season 7
Derek Harper Robert Williams III
Season 1989-90-
Team Dallas Mavericks-
Honors & Awards Achievement All-Defensive Second Team-
Playoffs Mavericks Lost West Conf 1st Rd-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 82 36.7 18.0 0.7 2.3 3.0 7.4 2.3 0.3 2.5 2.7 6.9 14.2 .488 1.1 2.9 .371 3.0 3.8 .794
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 3 39.7 19.3 0.7 2.0 2.7 7.7 1.3 0.0 4.0 4.3 7.0 16.0 .438 1.7 5.3 .313 3.7 5.3 .688
Robert Williams III ------- --- ----------

Season 8
Derek Harper Robert Williams III
Season 1990-91-
Team Dallas Mavericks-
Honors & Awards
Playoffs Did Not Play-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 77 37.4 19.7 0.8 2.3 3.0 7.1 1.9 0.2 2.3 2.9 7.4 15.9 .467 1.2 3.2 .362 3.7 5.1 .731
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper ------- --- ----------
Robert Williams III ------- --- ----------

Season 9
Derek Harper Robert Williams III
Season 1991-92-
Team Dallas Mavericks-
Honors & Awards
Playoffs Did Not Play-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 65 34.6 17.7 0.8 1.9 2.6 5.7 1.6 0.3 2.4 2.3 6.9 15.6 .443 0.9 2.9 .312 3.0 4.0 .759
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper ------- --- ----------
Robert Williams III ------- --- ----------

Season 10
Derek Harper Robert Williams III
Season 1992-93-
Team Dallas Mavericks-
Honors & Awards
Playoffs Did Not Play-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 62 34.0 18.2 0.7 1.3 2.0 5.4 1.3 0.3 2.2 2.3 6.3 15.1 .419 1.6 4.1 .393 3.9 5.1 .756
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper ------- --- ----------
Robert Williams III ------- --- ----------

Season 11
Derek Harper Robert Williams III
Season 1993-94-
Team Dallas Mavericks, New York Knicks-
Honors & Awards
Playoffs Knicks Lost NBA Finals-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 82 26.9 9.6 0.2 1.5 1.7 4.1 1.5 0.1 1.6 2.0 3.7 9.1 .407 0.9 2.5 .360 1.4 2.0 .687
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 23 32.6 11.4 0.6 1.8 2.3 4.5 1.8 0.0 1.8 2.7 4.3 10.0 .429 1.3 3.7 .341 1.6 2.4 .643
Robert Williams III ------- --- ----------

Season 12
Derek Harper Robert Williams III
Season 1994-95-
Team New York Knicks-
Honors & Awards
Playoffs Knicks Lost East Conf Semis-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 80 34.0 11.5 0.4 2.0 2.4 5.7 1.0 0.1 1.9 2.7 4.2 9.5 .446 1.3 3.7 .363 1.7 2.4 .724
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 11 35.3 14.3 0.5 3.0 3.5 5.6 1.0 0.1 2.4 2.6 5.1 9.9 .514 2.5 4.3 .574 1.6 2.2 .750
Robert Williams III ------- --- ----------

Season 13
Derek Harper Robert Williams III
Season 1995-96-
Team New York Knicks-
Honors & Awards
Playoffs Knicks Lost East Conf Semis-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 82 35.3 14.0 0.4 2.1 2.5 4.3 1.6 0.1 2.2 2.5 5.3 11.5 .464 1.5 4.0 .372 1.9 2.5 .757
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 8 36.6 10.0 0.0 2.1 2.1 4.8 1.3 0.1 1.8 3.0 3.6 10.3 .354 1.4 4.4 .314 1.4 1.9 .733
Robert Williams III ------- --- ----------

Season 14
Derek Harper Robert Williams III
Season 1996-97-
Team Dallas Mavericks-
Honors & Awards
Playoffs Did Not Play-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 75 29.5 10.0 0.4 1.4 1.8 4.3 1.2 0.2 1.8 1.9 4.0 9.0 .444 0.8 2.3 .341 1.3 1.7 .742
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper ------- --- ----------
Robert Williams III ------- --- ----------

Season 15
Derek Harper Robert Williams III
Season 1997-98-
Team Orlando Magic-
Honors & Awards
Playoffs Did Not Play-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 66 26.7 8.6 0.3 1.2 1.6 3.5 1.1 0.2 1.5 2.1 3.4 8.2 .417 0.9 2.5 .360 0.8 1.2 .696
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper ------- --- ----------
Robert Williams III ------- --- ----------

Season 16
Derek Harper Robert Williams III
Season 1998-99-
Team Los Angeles Lakers-
Honors & Awards
Playoffs Lakers Lost West Conf Semis-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 45 24.9 6.9 0.3 1.2 1.5 4.2 1.0 0.1 1.2 1.5 2.7 6.5 .412 1.0 2.6 .368 0.6 0.7 .813
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Derek Harper 7 16.0 4.3 0.1 1.3 1.4 2.1 0.3 0.0 0.6 0.3 1.9 4.4 .419 0.1 1.4 .100 0.4 0.9 .500
Robert Williams III ------- --- ----------
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