All Fermi answers
Fermi #77 · Question 1

LeBron James is about to start his 24th NBA season, his first with the 76ers. How many different teammates did he have in his first 23 seasons?

Explore the official answer and the simple reasoning behind this Fermi estimate.

1QUESTION 1 OF 3

Answer & explanation

The official answer, with Fermi’s reasoning step by step.

Answer & explanation

Official answer

250

teammates

How to estimate it

Fermi’s official “Napkin math”

The easiest place to start is his 23 seasons. A roster holds about 15 players, but plenty stick around for years. How many new faces show up each season? Maybe 10.

Seasons
23
New teammates a season
× ~10
23 × 10
≈ 230

Rounded assumptions may give a slightly different estimate. The official answer above is the game’s reference value.

Source calculation & reference
Teammates through 16 seasons (ESPN, October 2019)
167
Added in 7 more Lakers seasons, 2019-20 to 2025-26
+ 83
Distinct teammates listed by Basketball-Reference, regular season and playoffs
= 250

Reference cited by Fermi: Basketball-Reference, LeBron James teammates and opponents finder: 250 distinct teammates across his Cavaliers, Heat and Lakers seasons through 2025-26

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