The Most Expensive Handshake in Baseball History
On December 14, 2006, the Boston Red Sox made a move nobody would forget. They paid the Seibu Lions of Japan $51.1 million — not as a salary, not as a signing bonus, but simply for the right to sit down and negotiate with pitcher Daisuke Matsuzaka. That was just step one.
Once Boston won that sealed-bid auction, they turned around and signed Matsuzaka to a 6-year, $52 million contract. All in, the total investment topped $103 million. Think about that: the Red Sox spent almost as much on the posting fee as they did on the player’s actual deal.
Agent Scott Boras handled the negotiation with his usual precision. Matsuzaka was a legitimate star in Nippon Professional Baseball — a multiple Sawamura Award winner (Japan’s version of the Cy Young) with a résumé that made him one of the most coveted international arms in years. Still, nobody saw a $51.1 million bid coming.
A Broken System in Plain Sight
The posting system at the time worked like this: Japanese clubs could make players available, and MLB teams submitted sealed bids. Highest bid won exclusive negotiating rights. It was designed to compensate Japanese clubs while preserving the player’s ability to choose where he signed — in theory, a fair setup for everyone.
The problem was that teams were bidding completely blind. Nobody knew what the competition was offering. Boston, eager to land elite Asian talent and flush with resources after their 2004 World Series title, decided to go all in. When the envelopes were opened, the $51.1 million figure stunned the entire industry. It was more than double any previous posting fee. The Yankees and other contenders had bid less. Boston got their man.
What Happened Next
Matsuzaka pitched for Boston from 2007 through 2012. Over those six seasons he went 33-23 with a 3.73 ERA. Solid, not spectacular. He had strong years and mediocre ones. He was never the front-of-the-rotation ace the investment demanded.
But the real damage wasn’t on the field — it was structural. Other teams watched that $51.1 million posting and drew a clear conclusion: the blind-bid system was a trap. If everyone was guessing in the dark, someone was always going to overpay. Posting fees started inflating fast, with clubs throwing out absurd numbers just to secure negotiating rights, with zero guarantee the player would even accept their offer.
MLB saw the chaos coming. In 2012, the system was overhauled: sealed bids were eliminated and a posting fee cap of $20.3 million was put in place. The explicit goal was to make sure another Boston 2006 never happened again.
Why It Still Matters
Nearly two decades later, the Matsuzaka posting remains one of baseball’s sharpest lessons in market speculation. The Red Sox paid $51.1 million on faith — faith in a pitcher they couldn’t yet call their own, in a negotiation that hadn’t started, in a contract that wasn’t guaranteed.
It worked, to a point. But Matsuzaka’s case proved something the industry needed to learn the hard way: the size of the investment doesn’t guarantee the size of the return. And sometimes, the team that bids the most ends up paying the most expensive tuition.
- Posting fee paid by Boston: $51.1 million
- Contract value: 6 years, $52 million
- Combined investment: over $103 million
- Career record with Boston: 33-23, 3.73 ERA
- New posting cap set in 2012: $20.3 million

