Jay Jaffe

@jay_jaffe

Senior writer @FanGraphs, ex-@si_mlb. Creator of JAWS, author of The Cooperstown Casebook ('17). Not sticking to sports or paying $8.

Brooklyn, what about it?

Joined October 2009

1K Following

36.2K Followers

99.8K Posts

These Tweets are protected.

Only approved followers can see this account's Tweets.