Earlier this week, Salvador Perez and the Kansas City Royals agreed on a second contract extension. In terms of financial need or justification for the Royals, there weren’t any compelling reasons for the Royals to sign Perez to another extension when his previous contract kept Perez under control through the 2019 season. Even with no extensions, Perez would not have been a free agent until after this season. In his analysis of the deal, Jeff Sullivan focused on the human element of the deal and being fair to Perez. Ken Rosenthal wondered if this would start a trend and named a few other players who might benefit from teams deciding to be a bit more fair. Perez is certainly not the first player to sign a very team-friendly deal, but he is also not the first player to be awarded a second deal despite having a number of years still left on his first contract.
In Rosenthal’s piece, he acknowledges that Perez was a “special case,” noting that the Royals catcher had recorded just 158 plate appearances at the time he signed the contract. That lack of experience led to a very low guarantee and the three team options that would have prevented Perez from reaching free agency for another four seasons. While acknowledging both the lack of need and the recognition of fairness, Rosenthal suggested six other players who might fit the same bill as Perez, although perhaps on a smaller scale given their larger guarantees: Paul Goldschmidt, Anthony Rizzo, Jose Altuve, Chris Sale, Madison Bumgarner and Chris Archer.
On the whole, these types of extensions save massive amounts of money for teams, but we can take a look at the contracts Rosenthal discusses and compare them to Perez’s to see if they are actually close. The first few columns of the table below should be self-explanatory, but the last column, FA Surplus Value, might not be. To calculate the surplus value, I took current projections, applied standard aging curves, set the cost of a win at $8 million for this year along with 5% increases in years thereafter and compared the value of the projected production to the cost for free agent years only. For the players below, their arbitration salaries have also been at a discount, so if you want to include those values, feel free to add on another 20% or so (whichever number you feel like) to capture that discount as well.

Bargain Contract Extensions
Sale |
4 |
$47.25 M |
2016 |
2019 |
$118.2 M |
Rizzo |
6 |
$59.0 M |
2018 |
2021 |
$104.1 M |
Bumgarner |
4 |
45.25 M |
2016 |
2019 |
$84.9 M |
Goldschmidt |
4 |
$40.0 M |
2017 |
2019 |
$68.5 M |
Perez |
4 |
$16.75 M |
2016 |
2019 |
$67.0 M |
Altuve |
4 |
$20.5 M |
2017 |
2019 |
$49.9 M |
Archer |
6 |
$45.25 M |
2019 |
2021 |
$45.9 M |
Rosenthal did a very good job identifying the super-team-friendly contracts. Perez falls right in the middle of those contracts in terms of surplus value, but what makes his case different is the very low salary-level in relation to the other players — this, even if his options had been picked up. The top-four players on that list are massive bargains, but at least they will be paid around $10 million or more per year — double that of Perez. Altuve is in nearly the same boat as Perez in terms of salary, but he gave up just two years of free agency, which limits the surplus value.
Looking back through MLB Trade Rumors’ extension tracker, I identified players who were locked up to a second extension while still possessing multiple years on their first one. The idea: to find some sort of precedent for the Perez contract, or perhaps something closer to the situations of Sale, Bumgarner, Goldschmidt and Rizzo. Certain names come to mind immediately when considering players who’ve received a second extension while still playing on the first. Miguel Cabrera, for example. And Ryan Howard. These are classic cases of a team mistakenly extending players before they’d have to, but neither case is really similar to Perez’.
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