Jack Sikma vs. Zion Williamson Season by Season Comparison

Side by side comparison of each NBA season of Zion Williamson and Jack Sikma, 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.

Jack Sikma played 14 years in the NBA, 10 more than Zion Williamson, who played 4. Jack Sikma had the first of his seasons in 1977-78, while Zion Williamson had his rookie season in 2019-20. 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
Jack Sikma 14 11 1977-78 to 1990-91
Zion Williamson 4 0 2019-20 to 2023-24

Comparison Season by Season

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

Rookie Season
Jack Sikma Zion Williamson
Season 1977-782019-20
Team Seattle SupersonicsNew Orleans Pelicans
Honors & Awards Achievement All-Rookie First TeamAchievement All-Rookie First Team
Playoffs Supersonics Lost NBA FinalsDid Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 82 27.3 10.7 2.4 5.9 8.3 1.6 0.8 0.5 2.3 3.7 4.2 9.2 .455 - - - 2.3 3.0 .777
Zion Williamson 24 27.8 22.5 2.7 3.6 6.3 2.1 0.7 0.4 2.5 1.8 8.8 15.0 .583 0.3 0.6 .429 4.8 7.4 .640
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 22 31.9 13.7 2.3 5.8 8.1 1.2 0.8 0.5 1.6 4.6 5.2 11.2 .466 - - - 3.2 4.1 .780
Zion Williamson ------- --- ----------

Season 2
Jack Sikma Zion Williamson
Season 1978-792020-21
Team Seattle SupersonicsNew Orleans Pelicans
Honors & Awards Achievement All-Star GameAchievement All-Star Game
Playoffs NBA Champion NBA ChampionDid Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 82 36.1 15.6 2.8 9.5 12.4 3.2 1.0 0.8 3.1 3.6 5.8 12.6 .460 - - - 4.0 4.9 .814
Zion Williamson 61 33.2 27.0 2.7 4.5 7.2 3.7 0.9 0.6 2.7 2.2 10.4 17.0 .611 0.2 0.6 .294 6.0 8.7 .698
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 17 38.5 14.9 2.3 9.4 11.7 2.5 0.9 1.4 2.4 4.1 6.0 13.2 .455 - - - 2.8 3.6 .787
Zion Williamson ------- --- ----------

Note: Zion Williamson didn't play in 2021-22.

Season 3
Jack Sikma Zion Williamson
Season 1979-802022-23
Team Seattle SupersonicsNew Orleans Pelicans
Honors & Awards Achievement All-Star GameAchievement All-Star Game
Playoffs Supersonics Lost West Conf FinalsDid Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 82 34.1 14.3 2.4 8.7 11.1 3.4 0.8 0.9 2.5 2.8 5.7 12.1 .475 0.0 0.0 .000 2.9 3.6 .805
Zion Williamson 29 33.0 26.0 2.0 5.0 7.0 4.6 1.1 0.6 3.4 2.2 9.8 16.2 .608 0.2 0.7 .368 6.1 8.6 .714
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 15 35.6 11.7 2.0 6.4 8.4 3.7 1.1 0.3 2.3 3.7 4.3 10.9 .399 0.0 0.1 .000 3.1 3.6 .852
Zion Williamson ------- --- ----------

Season 4
Jack Sikma Zion Williamson
Season 1980-812023-24
Team Seattle SupersonicsNew Orleans Pelicans
Honors & Awards Achievement All-Star Game-
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 %
Jack Sikma 82 35.6 18.7 2.2 8.1 10.4 3.0 1.0 1.1 2.5 3.4 7.3 16.0 .454 0.0 0.1 .000 4.1 5.0 .823
Zion Williamson 70 31.5 22.9 1.7 4.1 5.8 5.0 1.1 0.7 2.8 2.3 8.9 15.6 .570 0.1 0.3 .333 5.0 7.1 .702
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma ------- --- ----------
Zion Williamson ------- --- ----------

Season 5
Jack Sikma Zion Williamson
Season 1981-82-
Team Seattle Supersonics-
Honors & Awards Achievement All-Defensive Second Team-
Achievement All-Star Game-
Playoffs Supersonics 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 %
Jack Sikma 82 37.2 19.6 2.7 9.9 12.7 3.4 1.2 1.3 2.6 3.3 7.1 14.8 .479 0.0 0.2 .154 5.5 6.4 .855
Zion Williamson ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 8 39.4 20.5 2.6 9.5 12.1 3.0 1.1 1.0 2.0 4.3 7.1 16.0 .445 0.0 0.0 - 6.3 7.3 .862
Zion Williamson ------- --- ----------

Season 6
Jack Sikma Zion Williamson
Season 1982-83-
Team Seattle Supersonics-
Honors & Awards Achievement All-Star Game-
Playoffs Supersonics 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 %
Jack Sikma 75 34.2 18.2 2.8 8.6 11.4 3.1 1.2 0.9 2.5 3.5 6.5 13.9 .464 0.0 0.1 .000 5.3 6.4 .837
Zion Williamson ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 2 37.5 15.0 3.0 10.0 13.0 5.5 1.0 1.0 2.5 3.5 5.5 15.5 .355 0.0 0.5 .000 4.0 6.0 .667
Zion Williamson ------- --- ----------

Season 7
Jack Sikma Zion Williamson
Season 1983-84-
Team Seattle Supersonics-
Honors & Awards Achievement All-Star Game-
Playoffs Supersonics 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 %
Jack Sikma 82 36.5 19.1 2.7 8.4 11.1 4.0 1.2 1.1 2.9 3.7 7.0 14.1 .499 0.0 0.0 .000 5.0 5.9 .856
Zion Williamson ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 5 38.6 22.0 2.2 8.0 10.2 1.0 0.6 1.4 1.8 4.4 9.8 19.6 .500 0.0 0.2 .000 2.4 2.8 .857
Zion Williamson ------- --- ----------

Season 8
Jack Sikma Zion Williamson
Season 1984-85-
Team Seattle Supersonics-
Honors & Awards Achievement All-Star Game-
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 %
Jack Sikma 68 35.3 18.5 2.4 8.2 10.6 4.2 1.2 1.3 2.4 3.5 6.8 13.9 .489 0.0 0.1 .200 4.9 5.8 .852
Zion Williamson ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma ------- --- ----------
Zion Williamson ------- --- ----------

Season 9
Jack Sikma Zion Williamson
Season 1985-86-
Team Seattle Supersonics-
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 %
Jack Sikma 80 34.9 17.1 1.8 7.5 9.4 3.8 1.2 0.9 2.7 3.7 6.4 13.8 .462 0.0 0.2 .000 4.4 5.1 .864
Zion Williamson ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma ------- --- ----------
Zion Williamson ------- --- ----------

Season 10
Jack Sikma Zion Williamson
Season 1986-87-
Team Milwaukee Bucks-
Honors & Awards
Playoffs Bucks 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 %
Jack Sikma 82 30.9 12.7 2.5 7.5 10.0 2.5 1.1 1.1 2.0 4.0 4.8 10.3 .463 0.0 0.0 .000 3.2 3.8 .847
Zion Williamson ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 12 35.5 16.2 2.8 8.1 10.8 1.9 1.3 0.8 1.5 4.7 6.1 12.5 .487 0.0 0.1 .000 4.0 4.1 .980
Zion Williamson ------- --- ----------

Season 11
Jack Sikma Zion Williamson
Season 1987-88-
Team Milwaukee Bucks-
Honors & Awards
Playoffs Bucks 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 %
Jack Sikma 82 35.6 16.5 2.4 6.3 8.6 3.4 1.1 1.0 1.9 3.9 6.3 12.9 .486 0.0 0.2 .214 3.9 4.2 .922
Zion Williamson ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 5 38.0 19.0 4.8 7.6 12.4 2.6 0.4 0.8 3.0 4.6 7.0 15.2 .461 0.0 0.6 .000 5.0 6.0 .833
Zion Williamson ------- --- ----------

Season 12
Jack Sikma Zion Williamson
Season 1988-89-
Team Milwaukee Bucks-
Honors & Awards
Playoffs Bucks 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 %
Jack Sikma 80 32.3 13.4 1.8 6.0 7.8 3.6 1.1 0.8 1.8 3.8 4.5 10.4 .431 1.0 2.7 .380 3.3 3.7 .905
Zion Williamson ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 9 33.4 11.7 1.0 4.6 5.6 3.3 0.9 0.4 2.3 4.6 4.1 10.4 .394 0.9 3.1 .286 2.6 3.1 .821
Zion Williamson ------- --- ----------

Season 13
Jack Sikma Zion Williamson
Season 1989-90-
Team Milwaukee Bucks-
Honors & Awards
Playoffs Bucks 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 %
Jack Sikma 71 31.7 13.9 1.5 5.4 6.9 3.2 1.1 0.7 2.0 3.4 4.8 11.6 .416 1.0 2.8 .342 3.2 3.7 .885
Zion Williamson ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 4 29.3 5.0 0.0 3.5 3.5 1.8 0.5 1.0 3.0 4.8 1.5 5.8 .261 0.5 1.8 .286 1.5 2.0 .750
Zion Williamson ------- --- ----------

Season 14
Jack Sikma Zion Williamson
Season 1990-91-
Team Milwaukee Bucks-
Honors & Awards
Playoffs Bucks 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 %
Jack Sikma 77 25.2 10.4 1.4 4.3 5.7 1.9 0.8 0.8 1.7 2.8 3.8 9.0 .427 0.6 1.8 .341 2.2 2.6 .843
Zion Williamson ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Jack Sikma 3 17.0 4.7 1.0 3.0 4.0 2.0 1.7 0.3 1.0 1.3 2.0 5.0 .400 0.3 0.7 .500 0.3 0.7 .500
Zion Williamson ------- --- ----------
Share: