GGOATRANK
AthletesTeams

Tanaka vs Posey

Shareable comparison — send this exact matchup to anyone.

GOAT verdictgoatrank.world
PoseyWinner
87.6

Posey wins: Dominance, Honours

Tanaka
87.5

Tanaka wins: Peak, Longevity

Candidates
Locked to Baseball

Shareable URL · /compare/masahiro-tanaka-vs-buster-posey

Time range

Showing full careers. Pick a window to recalculate the selected period.

Category radar

Verdict

Weighted GOAT score
🇺🇸 Buster Posey
87.6

Posey leads in 3 of 5 weighted categories. National League MVP in 2012 and a three-time World Series champion.

1. Buster Posey
87.6
2. Masahiro Tanaka
87.5

Category breakdown

Season form · Home runs per season

Career timeline · Home runs per season

Cumulative output season by season — the shape of each career against the other.

GOAT pace tracker

Career stage · GOAT pace

Through season 5 · Home runs per season
1. 🇯🇵 Masahiro Tanaka5 seasons played · career day 1,82565 home runs
Setting the pace at this stage
2. 🇺🇸 Buster Posey5 seasons played · career day 2,1901.5 home runs
-97.7% vs Tanaka at the same stage
Ghost race · career day30100365100018253650
🇯🇵 Tanaka00112065124
🇺🇸 Posey0000.3051.2192.456

Careers are aligned at debut, so a rookie's first 5 seasons are measured against the same window in a legend's career — Yamal against Messi at the same age-stage, a tour rookie against Tiger Woods in 1996.

MetricTanakaActivePoseyRetired
NPB MVP awards1
Wins in 201324
MLB wins78
MLB All-Star selections2
Japan Series titles1
World Series titles3
MVP awards1
All-Star selections7
Batting titles1
Career batting average0.302
Dominance w25%8284
Peak w20%9694
Longevity w20%8680
Honours w20%8490
Statistics w15%9292

Fan vote — data vs the people

GOAT Rank · the data
Posey87.6
Tanaka87.5
The people
Tanaka
Posey

Loading votes

Create a free account to vote and comment.

Sign in to vote

What do you think?

0 comments

Make your case for Tanaka vs Posey. The scoring is published in full — if you can point at the pillar or the weight you disagree with, we read it. Read the methodology paper.

More debates

Browse the rivalry hub →