Last updated: October 31, 2026
Billy Seidl spent three seasons throwing relief innings in the Chicago White Sox farm system, far from any big-league spotlight. Yet millions of people first heard his name through an Instagram post by Brielle Biermann, the daughter of Kim Zolciak, announcing their engagement. That gap between a quiet baseball career and a very public relationship explains why so many people are now searching for his finances.
The honest answer on Billy Seidl net worth is that no confirmed, reliable figure exists. Online pages give wildly different numbers, and some describe a completely different Billy Seidl as a tech executive worth $50 million or an auto-parts owner worth $500 million. Based on his reported draft bonus and standard minor league pay, a reasoned working estimate is roughly $100,000 to $300,000, and this article shows how that range was built.
Billy Seidl Biography & Quick Facts
| Name | Billy Seidl (full legal name not publicly confirmed) |
| Born | November 9, 1999, Newton, Massachusetts, USA |
| Age | 26 (turns 27 on November 9, 2026) |
| Known for | Former professional baseball pitcher; fiancé of Brielle Biermann |
| Years active | Professional career from 2022 to March 2025 |
| Team affiliation | Chicago White Sox organization (Kannapolis Cannon Ballers, Winston-Salem Dash) |
| Family background | Grew up in Massachusetts; attended St. Sebastian’s School; a brother, Tommy, played baseball at Harvard |
| Career stats | Minor leagues: 90 games, 10-7, 4.39 ERA, 16 saves, 113 strikeouts in 110.2 innings |
| Breakout moment | Drafted in the 15th round (461st overall) of the 2022 MLB Draft |
| Recognition | Underclass All-American Third Team (2018); Independent School League MVP as a high school junior |
| Education | Duke University (graduation year reported inconsistently) |
| Relationship status | Engaged to Brielle Biermann since February 2024 |
| Net worth estimate | No verified figure; reasoned estimate of roughly $100,000 to $300,000 |
From Newton to Duke: Early Life and College Baseball
Seidl was born in Newton, Massachusetts, according to his Minor League Baseball profile, while Duke’s recruiting announcement lists his hometown as nearby Wellesley. He attended St. Sebastian’s School, where he lettered in baseball for four years and also played quarterback for the football team. As a junior he went 7-0 with a 0.58 ERA, and Perfect Game ranked him among the top 500 prospects in his class.
He joined Duke’s 2019 recruiting class as a right-handed pitcher, and the coaching staff described him as a power arm who could eventually close games. A recruiting report at the time said he reached 92 to 93 mph and threw a slider, and he was also a National Honor Society member. His college numbers were uneven. In his 2022 season he made 17 appearances, including nine starts, with a 2-5 record, a 6.80 ERA and 55 strikeouts in 43.2 innings, while opponents hit .236 against him.
Pro scouts still liked the raw stuff, and Duke head coach Chris Pollard praised him as an “energy giver” who led by example and helped teammates improve, adding that he was excited to watch Seidl begin his professional career.
Draft Day and the White Sox Farm System

The Chicago White Sox selected Seidl in the 15th round of the 2022 draft, with the 461st overall pick, and he signed on July 25, 2022. He reportedly received a $100,000 signing bonus, although MLB’s official White Sox signing tracker does not list the amount. After a brief stint in the Arizona Complex League, he moved up to Kannapolis and finished 2022 with a 2-0 record, a save and a 1.00 ERA over a handful of appearances. One prospect writer called his stuff explosive, but flagged walks as the main concern and expected him to open 2023 at High-A Winston-Salem.
He pitched at Kannapolis in 2023 and into 2024, then was assigned to High-A Winston-Salem on June 13, 2024. On March 20, 2025, the Dash released him. Minor League Baseball lists him as a released player, and his LinkedIn headline describes him as a former professional baseball player. Some entertainment sites still call him a White Sox pitcher, which is out of date. He never appeared in a major league game. Across his minor league career he worked almost entirely in relief, making 90 appearances without a start and posting a 1.36 WHIP.
Life Outside the Dugout: Brielle Biermann and the Spotlight
Seidl posted about his relationship with Brielle Biermann in April 2023, and she first shared him on her own Instagram grid in February 2024. He proposed in a Scottsdale, Arizona, park, just days after her 27th birthday, and she announced the engagement on February 26, 2024, with the caption “Forever with you.” Her sister Ariana carried the ring to Arizona after it was delayed in customs, according to Bravo. Biermann has said she wants a long engagement and a small wedding with close family, though Seidl has many friends and relatives he hopes to invite, so the plans have shifted.
Bravo has described him as a low-profile athlete, and sources do not say how the couple met. One entertainment outlet reported in late October 2026 that a beach wedding is planned for November 2026, but no exact date has been confirmed. Biermann’s finances are her own and play no role in any estimate here.
Career Timeline
| Year | Milestone |
| 2018 | Named to the Underclass All-American Third Team after a dominant high school junior season |
| 2019 | Joins Duke’s baseball recruiting class |
| 2022 | Drafted by the White Sox in the 15th round; signs on July 25; finishes the year at Kannapolis |
| 2023 | Goes public with Brielle Biermann on Instagram in April |
| 2024 | Engagement announced February 26; assigned to High-A Winston-Salem on June 13 |
| 2025 | Released by Winston-Salem on March 20 |
| 2026 | Wedding reportedly planned for November; date unconfirmed |
How Billy Seidl Actually Makes His Money

Seidl has never shared his finances, so the sections below describe the realistic categories of income, not exact amounts.
The Draft Bonus
The largest known payment of his career is the reported $100,000 signing bonus. That figure comes from a single outlet and was not confirmed by the White Sox tracker, so treat it as likely but not certain.
Minor League Pay
Minor leaguers earn modest salaries. As of 2025 reporting, High-A players were paid about $920 a week, or roughly $27,940 over a full season, and clubs now provide housing at no cost. Spring training pays $650 a week, and every player gets a $31.50 daily per diem. Those rates are a big improvement. Minor leaguers won a $185 million class-action settlement in 2022, and the first collective bargaining agreement arrived in 2023. Across about three seasons, his gross salary was likely well under $100,000 before taxes and living costs.
Social Media and Appearances
Seidl keeps a small public profile, and no verified brand deals have been reported. Any money from his relationship with a reality television family would come from his own appearances, not hers, and none has been documented.
Life After Baseball
Since his release he has been out of professional baseball. One low-quality site claims he is studying finance, but it cites no source for that, and his current employer has not been confirmed. Future earnings here remain unknown.
Why Net Worth Estimates Are Unreliable
A quick search turns up many confident pages, and most do not hold up. Here is what went wrong:
- Name confusion. One page describes a software CEO worth $50 million and, further down, an Austrian car-parts owner worth $500 million, with no sources for either. Neither matches the baseball player.
- Similar surnames. Search results also surface pages about Peter Seidler, an unrelated figure whose surname is spelled differently.
- Outdated career details. Some articles still list him with Kannapolis or call him a White Sox pitcher, but Minor League Baseball shows his release in March 2025.
- Conflicting biography. Sources disagree on whether he graduated from Duke in 2022 or 2025, and Duke’s own 2022 draft article called him a junior, which points to the later date.
- Gibberish pages. Search results include auto-generated pages with garbled titles, such as “seqo billy net worth ideas,” which say nothing real about him.
- Uncited numbers. Most estimates give no method, and a few pages claim rivals’ figures are fake while citing nothing themselves.
- Private finances. His bonus, savings and any post-baseball income are not public.
How We Built the $100,000 to $300,000 Estimate
Because no sourced number exists, the range comes from reasoning. Start with the reported $100,000 bonus and add roughly three seasons of minor league pay, which at published rates likely totals well under $100,000 gross. After taxes, agent costs and everyday expenses, a typical outcome is a low six-figure net worth.
The upper end of $300,000 allows for savings, investments or income since 2025 that nobody has reported. The real number could fall outside this range, which is why it is labeled an estimate.
How Billy Seidl Compares to Other Minor League Players

Minor league pay is a useful yardstick. According to 2025 reporting, a rookie-level player earned about $20,430 over a season, a Single-A player about $26,840 over a season, High-A about $27,940, Double-A about $30,905 and Triple-A about $36,590. Before the 2023 labor agreement, a rookie-level player earned only $290 a week, and spring training was unpaid.
Seidl sits near the middle of that ladder. His bonus placed him above many peers who signed late in the draft for little, but he never reached Triple-A or the majors, where salaries rise sharply. In baseball terms he is a typical late-round pick, and his public profile comes more from his engagement than from his stats.
Also read: Billy Seidl Net Worth 2026
Personal Life
| Family | Grew up in Massachusetts; has a brother, Tommy, who played baseball at Harvard |
| Relationship | Public with Brielle Biermann since April 2023; engaged since February 2024 |
| Proposal | Scottsdale, Arizona, in February 2024 |
| Wedding | Reportedly planned for November 2026 on a beach; exact date unconfirmed |
| Education | St. Sebastian’s School, then Duke University |
| Other sports | Played quarterback in high school |
| Public image | Described by Bravo as a low-profile athlete |
Also read: Bryce Hall Net Worth 2026
Final Thoughts: What Is Billy Seidl’s Net Worth?
The fairest reading is that Billy Seidl is financially comfortable for a recent graduate but far from wealthy by celebrity standards. A range of roughly $100,000 to $300,000 fits his reported bonus and typical minor league pay, and it matches the reality that he never reached the major leagues. The million-dollar figures online are not supported by anything verifiable.
What he does next will matter more than anything in his past. A new career, a wedding and any media appearances could shift his income, and until he or a credible outlet shares real details, every precise-looking number deserves skepticism.
Frequently Asked Questions
What is Billy Seidl’s net worth in 2026?
No verified figure exists. A reasoned estimate based on his reported bonus and minor league pay is roughly $100,000 to $300,000.
How old is Billy Seidl?
Billy Seidl was born on November 9, 1999, so he is 26 and turns 27 on November 9, 2026.
Did Billy Seidl play in the major leagues?
No. He was a 15th-round pick by the White Sox in 2022 and pitched only in the minors. Winston-Salem released him on March 20, 2025.
Who is Billy Seidl engaged to?
He is engaged to Brielle Biermann, Kim Zolciak’s daughter. He proposed in Scottsdale, Arizona, and the engagement was announced on February 26, 2024.
Is this Billy Seidl the same as the tech CEO or the car-parts owner?
No. Those profiles appear on unsourced pages and do not match this baseball player. Treat any net worth tied to them as unreliable.












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