Milwaukee Brewers catcher William Contreras' fiancée, Níxzali Adames Luna, has a famous MLB connection of her own. She is the sister of San Francisco Giants shortstop Willy Adames, who previously played alongside Contreras in Milwaukee.

Níxzali has shared details about her education and relationship on social media, offering a glimpse into her life beyond baseball. Her connection to two MLB players has brought additional attention to her family ties to the sport. Willy played for Milwaukee from 2021 through 2024, overlapping with Contreras, who joined the Brewers ahead of the 2023 season. Adames signed with San Francisco as a free agent in December 2024.

William Contreras and Níxzali Adames Luna's Engagement

Contreras and Níxzali announced their engagement on Jan. 31, 2026, following a beachside proposal. The setup featured a large heart-shaped arrangement of red roses, candles lining a path and a white neon sign displaying the words "Will you marry me."

Níxzali confirmed the engagement in an Instagram caption. "I said YES! Thank you for coming into my life and staying forever. I love you fatty," she wrote, per a translation of the post. The couple's announcement included images and video of the proposal, which took place beside the decorated beachfront.

William Contreras and Níxzali Adames Luna's Relationship Timeline

Contreras and Níxzali made a public appearance together at the 2024 MLB All-Star Game, where she accompanied him on the red carpet. In a 2025 Instagram Q&A with followers, Níxzali shared when she knew the relationship was serious. "Since day one. William's been so loving, kind and funny. He's just one of those people you instantly love," she said. Níxzali has also shared details about her academic qualifications on social media.

According to her Instagram biography, she holds a bachelor's degree in financial management and auditing and a master's degree in finance. Her profile includes photographs marking her graduation in September 2021.

Níxzali has publicly supported Contreras during his baseball career. Following the Brewers' National League Championship Series victory over the Los Angeles Dodgers, she praised the catcher in an Instagram Story. "My MVP. And no one is going to take that from you," she wrote.

William Contreras' Rise With the Milwaukee Brewers

Contreras has established himself as one of the Milwaukee Brewers' key players since joining the team ahead of the 2023 season. The catcher arrived in Milwaukee after beginning his major league career with the Atlanta Braves, with whom he was part of the team that won the 2021 World Series.

His first season with the Brewers brought individual recognition. According to MLB records, Contreras won the National League Silver Slugger Award at catcher in 2023, recognizing his offensive performance. He earned the award again in 2024, further establishing his position among the league's leading hitters at the position.

Contreras' career has also included All-Star selections and postseason appearances, giving him experience in high-pressure games. As a catcher, his responsibilities extend beyond batting to include working with pitchers, managing opposing baserunners and helping coordinate the team's defense.

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