Bob Portman vs. Zion Williamson Comparison

Head-to-head comparison between the NBA stars Zion Williamson and Bob Portman that includes championships won, honors and awards obtained, regular season and playoffs stats and other data put side by side.

Who scored more points in his career? Who averaged more points in playoffs? Who won more championships? Who led the season more times? Who won more MVP awards? These questions and many more, are answered here. It includes NBA Championships, seasons, playoffs, awards, statistical data for points, rebounds, assists, steals, blocks and percentages.

Head-To-Head Career Comparison

NBA Timeline:	1946-47 2025-26
Bob Portman: 1969-70 to 1972-73
Zion Williamson: 2019-20 to 2024-25

NBA Championships and Seasons

NBA Championships Bob Portman 0 Zion Williamson 0

NBA Seasons Bob Portman 4 Zion Williamson 5

Playoffs Played Bob Portman 3 Zion Williamson 0

All-Star Games Bob Portman 0 Zion Williamson 2

NBA Regular Season Stats

Stats Per Game

Points Per Game Bob Portman 5.7 Zion Williamson 24.7

Rebounds Per Game Bob Portman 3.3 Zion Williamson 6.6

Assists Per Game Bob Portman 0.6 Zion Williamson 4.3

Steals Per Game Bob Portman - n/a ** Zion Williamson 1.0

Blocks Per Game Bob Portman - n/a ** Zion Williamson 0.6

Totals Stats

Total Points Bob Portman 1,254 Zion Williamson 5,279

Total Rebounds Bob Portman 729 Zion Williamson 1,415

Total Assists Bob Portman 128 Zion Williamson 920

Total Steals Bob Portman - n/a ** Zion Williamson 219

Total Blocks Bob Portman - n/a ** Zion Williamson 138

Total Games Bob Portman 221 Zion Williamson 214

Percentages

Field Goal Percentage Bob Portman .443 Zion Williamson .589

3-Point Percentage Bob Portman - n/a ** Zion Williamson .327

Free Throw Percentage Bob Portman .780 Zion Williamson .689

Best Season (no game minimum)

Points Per Game Bob Portman 7.6 (1971) Zion Williamson 27.0 (2021)

Rebounds Per Game Bob Portman 4.7 (1971) Zion Williamson 7.2 (2021)

Assists Per Game Bob Portman 1.0 (1971) Zion Williamson 5.3 (2025)

Steals Per Game Bob Portman - n/a ** Zion Williamson 1.2 (2025)

Blocks Per Game Bob Portman - n/a ** Zion Williamson 0.9 (2025)

NBA Playoffs Stats

Stats Per Game

Points Per Game Bob Portman 5.4 Zion Williamson -

Rebounds Per Game Bob Portman 2.7 Zion Williamson -

Assists Per Game Bob Portman 0.3 Zion Williamson -

Steals Per Game Bob Portman - n/a ** Zion Williamson -

Blocks Per Game Bob Portman - n/a ** Zion Williamson -

Totals Stats

Total Points Bob Portman 59 Zion Williamson -

Total Rebounds Bob Portman 30 Zion Williamson -

Total Assists Bob Portman 3 Zion Williamson -

Total Steals Bob Portman - n/a ** Zion Williamson -

Total Blocks Bob Portman - n/a ** Zion Williamson -

Total Games Bob Portman 11 Zion Williamson 0

Percentages

Field Goal Percentage Bob Portman .393 Zion Williamson -

3-Point Percentage Bob Portman - n/a ** Zion Williamson -

Free Throw Percentage Bob Portman .786 Zion Williamson -

Best Playoffs (no game minimum)

Points Per Game Bob Portman 9.2 (1971) Zion Williamson -

Rebounds Per Game Bob Portman 4.0 (1971) Zion Williamson -

Assists Per Game Bob Portman 0.4 (1971) Zion Williamson -

Steals Per Game Bob Portman - n/a ** Zion Williamson -

Blocks Per Game Bob Portman - n/a ** Zion Williamson -

Notes: ** Blocks and steals started to be recorded in 1973-74, this player has no data for the stat. Three-point shots were implemented in 1979-80, this player has no data for the stat.