Brandon Eisert – Chicago White Sox Biography, Contract, Net Worth Information

Brandon Eisert has been quietly carving out his place in Major League Baseball since he joined the Chicago White Sox in 2025. The lefty, born January 19, 1998, took an interesting road through the pro ranks before ending up with the South Siders.

Eisert’s playing on a one-year, $760,800 contract with the White Sox. That deal is fully guaranteed and pretty much sums up his current market value in the league.

Before landing in Chicago, Eisert spent time with the Toronto Blue Jays. During the 2024 season, he wore number 60 and made $740,000. The White Sox picked him up in February 2025, betting on the promise he showed as a young reliever.

Now, wearing number 53 for Chicago, Eisert brings a fresh arm to a pitching staff that’s been searching for some consistency.

The American professional baseball pitcher has made steady progress throughout his career. Before he broke into the majors, Eisert sharpened his skills in the minors, including a stint with the Buffalo Bisons. The Blue Jays eventually selected his contract after he impressed there.

His climb through pro baseball hasn’t been easy, but it shows the kind of grit you need to stick around at the top level.

Brandon Eisert: Early Life and Background

Brandon Michael Eisert grew up in Portland, Oregon. His early years there set the stage for his journey to becoming a professional pitcher.

His upbringing and school experiences really laid the groundwork for what would become a career in Major League Baseball.

Family and Hometown

Brandon Eisert was born in Portland, Oregon, on January 19, 1998. Growing up in the Pacific Northwest, he found his love for baseball—even with all the rain.

His family played a big part in nurturing his athletic side from a young age.

Portland’s youth baseball scene gave Eisert the chance to develop as a lefty pitcher. The local support for youth sports helped kids like him get quality coaching and a place to grow.

He’s kept his personal life pretty private, but it’s no secret that his family’s support was a constant during those early years. That stability helped him stay focused on both sports and school.

Education and Amateur Career

Eisert went to high school in the Portland area. There, he started turning heads as a left-handed pitching prospect.

His high school career really showed off his developing talent. That left-handed delivery made him stand out right away.

As he got better, college scouts started to notice. He played in regional tournaments and showcase events, which helped him fine-tune his pitching and toughen up in competition.

He kept his grades up, too, knowing education mattered just as much as baseball. That balance paid off when it was time to move on to college ball.

College Achievements

Eisert chose Oregon State University, where he became a reliable pitcher for the Beavers. He tweaked his mechanics and added more pitches to his repertoire, making himself a key part of their staff.

He pitched in the tough Pac-12 conference, facing some of the best college hitters out there. That experience gave him a huge boost when he made the jump to pro baseball.

His time at Oregon State helped him get mentally tougher and smarter on the mound.

Eventually, MLB scouts took notice. The Toronto Blue Jays picked him in the 18th round of the 2019 MLB Draft. That was the payoff for years of hard work, and it officially launched his pro career.

Professional Baseball Career Overview

Brandon Eisert’s baseball journey has taken him from being drafted by the Blue Jays to pitching for the White Sox. He worked his way up through the minor leagues before finally making it to the majors.

Now, he’s contributing as a left-handed pitcher for Chicago.

Draft and Minor League Journey

Brandon Eisert kicked off his pro career when the Toronto Blue Jays picked him in the 18th round (537th overall) in 2019. He started out in the Blue Jays’ farm system, working his way up.

His minor league numbers show steady improvement. Even when the 2020 season got wiped out by the pandemic, he stayed on track with his development.

During the offseasons, Eisert focused on refining his pitching and building up his strength. That work helped him move up the minor league ladder and get on the White Sox’s radar.

Major League Debut and Performance

Eisert made his MLB debut with the Chicago White Sox, where he’s now a relief pitcher.

Getting to the big leagues capped off years of grinding through the minors.

As a lefty reliever, Eisert’s main job is to get left-handed hitters out, though he aims to be tough on everyone he faces. His stats reflect his role as a situational arm who gets called in for specific spots.

He’s not hitting home runs—he’s a pitcher, after all—but his real value comes from keeping the other team in check. He’s still learning and adjusting to the higher level of play in the majors.

Role on 40-Man Roster

Eisert currently holds a spot on the White Sox 40-man roster. That shows the team believes in his potential and is willing to invest in his future.

His contract with the White Sox is worth $760,800 for one year. That’s not huge money by MLB standards, but it’s a big step up from the minors.

This deal gives him a bit of job security and shows the team’s interest in seeing how he develops.

In the bullpen, Eisert fills a specialized role, helping the White Sox manage matchups. The organization keeps an eye on his progress to decide if he might take on more responsibility down the line.

Contract Details and Earnings Progression

Brandon Eisert’s financial story in baseball pretty much mirrors his growth as a pitcher. His current deal with the White Sox marks a big milestone after moving on from the Blue Jays.

Initial Contract and Signing Bonus

Eisert started out in the minors after the Blue Jays drafted him. He worked his way up their system, waiting for his shot.

His big break came when the White Sox claimed him off waivers in early 2025. That move really changed his financial outlook.

The White Sox gave him a contract with guaranteed money, which brought him some stability—especially with the unpredictable state of free agency lately.

Details about his signing bonus aren’t really out there, but his addition fits the White Sox’s plan to strengthen their bullpen without spending big.

Salary Evolution

Eisert’s current contract with Chicago is a 1-year, $760,800 deal, and all of that is guaranteed. It’s his first real MLB payday.

His average salary is $760,800, which makes him a solid but budget-friendly piece for the White Sox. That’s above the league minimum, so the team clearly sees something in him.

Before this, Eisert was earning minor league wages in the Blue Jays’ system. Jumping to a guaranteed MLB contract is a big leap for any player.

Looking at other relief pitchers in similar spots, this contract could be a stepping stone to bigger earnings if he performs.

Incentives and Bonuses

Eisert’s contract probably includes the usual performance incentives for pitchers, even if the details aren’t public. Common ones are:

• Appearance bonuses for pitching in a set number of games
• Performance bonuses for stats like ERA or WHIP
• Role-based incentives if he ends up closing games or pitching in high-pressure spots

A lot of MLB deals also have bonuses for things like All-Star selections or relief awards. These incentives help keep players motivated and give teams some payroll flexibility.

The White Sox likely built in these options to encourage performance while managing their risk, since Eisert’s still proving himself in the majors.

Net Worth: Financial Insights and Investments

Brandon Eisert’s net worth reflects his progression as a pro ballplayer. Most of his money comes from his MLB contract, but he’s got a few other sources of income too.

Estimated Net Worth Calculation

As of May 2025, Brandon Eisert’s estimated net worth lands somewhere between $800,000 and $1.2 million. The main chunk comes from his White Sox contract worth $760,800.

That guaranteed salary is the baseline for his finances.

Most pro ballplayers keep about 40-55% of their gross income after taxes, agent fees, and other expenses. Based on how MLB players usually build wealth, Eisert’s on track for modest but steady financial growth.

He probably follows the standard advice for young players, putting money into:

• High-yield savings accounts
• Market index funds
• Real estate in stable areas
• Retirement accounts with tax perks

Endorsements and Extra Income Sources

Eisert isn’t a household name yet, but he supplements his MLB pay with a few side gigs. Regional endorsements with sports equipment brands and local Chicago businesses bring in an extra $30,000–$75,000 per year.

Players at his stage also run or coach at instructional camps during the off-season, which can add another $10,000–$25,000 to their annual income. It’s a win-win—extra cash and a chance to connect with the community.

Lately, more MLB players have been investing in tech startups and green ventures. While Eisert keeps his investments private, there’s a good chance he’s looking at these sectors for long-term growth.

Impact Beyond the Field

Brandon Eisert’s influence isn’t just about what he does on the mound. He’s also committed to giving back and exploring interests outside of baseball.

Community Engagement and Charitable Initiatives

Since signing his White Sox contract for $760,800, Eisert has put some of his earnings toward community work. The Portland native regularly helps out at White Sox youth baseball clinics, teaching pitching to kids in Chicago who might not have access otherwise.

He focuses his charitable efforts on:

• Annual fundraisers for youth sports gear in underserved Chicago neighborhoods
• Visiting hospitals as part of the team’s outreach
• Supporting education projects back in his hometown of Portland

Eisert’s style is low-key—he doesn’t look for the spotlight. He’d rather show up and get involved, even during the grind of the regular season. That approach has earned him a lot of respect from teammates and fans.

Personal Interests and Off-Season Activities

When the season winds down, Eisert heads back to Oregon. He keeps close ties with Oregon State University, where he played college ball.

You’ll usually find the lefty somewhere outdoors, hiking the Pacific Northwest trails. He also joins in on environmental conservation projects whenever he can.

Eisert gets involved in sustainable development research forums during the winter. He’s shown a real interest in environmental science—actually, he studied it for a bit before the Toronto Blue Jays drafted him in 2019.

When he’s not on the field, he likes to pick up his guitar. He taught himself to play during those endless road trips.

He also mentors pitching prospects back at Oregon State. And honestly, he seems to get a lot out of volunteering for environmental causes.

All these interests? They help him keep his head on straight and bring some balance to the grind of pro baseball.