William Contreras is the Venezuelan-born catcher for the Milwaukee Brewers who was named 2026 World Series MVP after hitting .381 with four RBIs and throwing out four base stealers as Milwaukee won its first championship in franchise history. He is also the younger brother of longtime MLB catcher Willson Contreras, making the Contreras family one of the more remarkable sibling stories in modern baseball.
Who Is William Contreras?
William Jesús Contreras was born December 24, 1997, in Puerto Cabello, a port city on Venezuela's Caribbean coast. He grew up the youngest of three brothers, learning the game in the streets using a broomstick for a bat and balls built from wadded paper and tape, a detail that has circulated widely since his World Series performance, according to Wikipedia. At 17, he signed with the Atlanta Braves organization for a modest $10,000 bonus and committed himself to catching, the position that would define his career.
Following His Brother's Path
Growing up, Contreras played ball alongside his older brothers Wilmer and Willson, the latter of whom would go on to become an All-Star catcher himself, first with the Chicago Cubs and later the St. Louis Cardinals. Rather than compete with his brother's shadow, William leaned into it, and the two have represented Team Venezuela together in the World Baseball Classic, a rare case of brothers sharing a national team roster at the same position.
From Atlanta To Milwaukee
Contreras debuted in the majors with Atlanta on July 24, 2020, but his career accelerated after a trade sent him to the Milwaukee Brewers, where he developed into one of the league's most feared offensive catchers. In free agency ahead of the 2026 season, Milwaukee signed him to a one-year deal worth $9.4 million, according to contract figures tracked by Spotrac, a deal that looked like a bargain by October.
The World Series Run That Made Him A Household Name
Contreras carried Milwaukee through its first World Series title in franchise history, batting .381 across the series while throwing out four runners attempting to steal, a rare combination of offensive production and defensive shutdown behind the plate. He was awarded the Willie Mays World Series MVP trophy after the Brewers defeated the Tampa Bay Rays, a result confirmed by NPR and MLB's official coverage.
| Category | 2026 World Series Stat |
|---|---|
| Batting Average | .381 (8-for-21) |
| RBI | 4 |
| Runners Caught Stealing | 4 |
| Award | Willie Mays World Series MVP |
Why His Story Resonates Beyond The Box Score
What separates Contreras from a typical star-of-the-series narrative is the defensive half of his game, which rarely gets the same attention as hitting in MVP conversations. Throwing out four base runners in a single World Series is an unusually dominant defensive showing, and it points to a skill set that scouts value even in seasons when his bat goes cold, which is part of why Milwaukee prioritized locking him in before the market tested his price further.
The brotherhood angle also matters more than a simple human-interest footnote. Having an older brother who had already navigated the pressures of catching at the major league level gave William a blueprint most prospects never get, and it helps explain why he developed the game-calling instincts that made him Milwaukee's backstop during a championship run rather than just a bat in the lineup.
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Sources
Career and background details sourced from Wikipedia and The Sporting News via Yahoo Sports; World Series result confirmed by NPR.
