I initially created Baseball Graphs to develop new and better ways of presenting baseball statistics. The 2003 season was my first full-season attempt, and it turned out pretty well. I now spend a lot of my time creating and formatting the baseball stats at The Hardball Times.

Along the way, I've also picked up the writing bug. I spend most of my energy writing for THT, but sometimes I like to write about more geeky stuff, baseball research and things like that. That's what this blog is for.

I'm very interested in graphics and other information display, so I'll probably post links to creative stuff like that. I also plan to write historical articles that complement the historical graphs. And I have inexplicably developed an interest in baseball win-related stats, such as Bill James's Win Shares and something called Win Probability Added. So you can expect a few posts about that stuff too.

If you're interested, I've created a complex spreadsheet full of WPA logic, which you can download at ftp.baseballgraphs.com/wpa. If you'd like to read more about Win Shares, try these links:

Win Shares Intro
What They're Good For
Mathematical Details

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If there is any aspect of WPA, Win Shares or baseball graphics you're interested in, drop me an e-mail and I'll look into it.

Syndicate Baseball Graphs:

Win Share Age by Team

November 02, 2003

I did something that Bill James also did in Win Shares: I computed the average Win Share age of each team by multiplying each player’s age by his Win Shares, adding them up per team, then dividing by total team Win Shares. Results are attached.

Here’s the American League:

Team    Age

SEA    32.1

NYY    31.9

BOS    30.8

CWS    29.8

BAL    29.7

ANA    29.5

KC    29.2

TEX    29.1

MIN    28.7

TOR    28.6

OAK    27.9

DET    27.5

CLE    27.4

TB    26.8

And here’s the National League:

Team    Age

SF    32.5

LA    31.0

ATL    30.8

NYM    30.6

HOU    30.4

ARI    30.3

CHC    30.2

COL    30.0

PIT    29.9

STL    29.8

MIL    29.5

PHI    29.3

SD    29.1

CIN    28.1

MON    27.6

FLA    27.4

By this calculation, the World Champs were the second-youngest team in the majors.

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