Sage Mardjetko is an American college softball pitcher from Lemont, Illinois, best known for her rise from high school dominance to becoming one of Tennessee softball’s leading arms. A right-handed pitcher standing 5 feet 10 inches, she entered the national spotlight at Lemont High School before moving into Southeastern Conference competition.
She had become a key pitcher for the Tennessee Lady Volunteers and earned major recognition for both athletics and academics. Her exact birthdate has not been publicly confirmed through official athletic profiles, but she is listed as a junior college athlete in 2026.
| Net Worth: | – |
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| Real Name: | Sage Mardjetko |
| Birth Date: | October 23, 2003 |
| Age (as of 2026): | 22 Years |
| Birth Place: | Lemont, Illinois, USA |
| Height: | 1.80 m (5 ft 10 in) |
| Parents: | – |
| Boyfriend: | – |
Early Life
Sage Mardjetko was born on 23rd October 2003 in Lemont, Illinois, a southwest suburb of Chicago with a strong local sports culture. She developed into a standout right-handed pitcher during her teenage years and built a reputation for control, power, and competitive calm. Her high school career showed rare consistency, especially in pressure games.
Family & Education
Mardjetko has kept most family details away from public attention. However, she has openly credited her parents and family for supporting her softball journey. After earning national recognition in high school, she said her family helped her reach lessons and tournaments. She also acknowledged that their sacrifices shaped her growth as a player.
Sage Mardjetko attended Lemont High School in Lemont, Illinois, where she became one of the most accomplished athletes in school history. She also excelled academically, carrying a 4.31 grade point average during high school and earning induction into the National Honor Society.
After beginning her college softball career at the University of South Carolina, she later transferred to the University of Tennessee. At Tennessee, she pursued biological sciences, with emphasis in biochemistry and cellular and molecular biology. In 2026, she held a 3.81 GPA and was named SEC Softball Scholar-Athlete of the Year.
Career
Mardjetko’s softball career took off at Lemont High School, where she became one of the country’s most dominant pitchers. As a junior in 2022, she posted a 21-1 record with a 0.29 ERA and 329 strikeouts in 142.2 innings. That season, she led Lemont to an IHSA Class 3A state title and earned Illinois Gatorade Softball Player of the Year honors.
Her senior season in 2023 was even stronger. Sage Mardjetko finished with a 23-0 record and a 0.00 ERA while helping Lemont win a second straight state championship. She recorded 340 strikeouts and threw 12 no-hitters, including two perfect games. Across her high school career, she threw 32 no-hitters and five perfect games.
She also earned the 2023 USA TODAY High School Sports Awards National Softball Player of the Year honor. Mardjetko began her college career at South Carolina in 2024. As a freshman, she appeared in 34 games with 17 starts, threw 118 innings, struck out 119 batters, and posted an 8-9 record with a 2.85 ERA.
Sage Mardjetko also earned SEC Freshman of the Week and made the Puerto Vallarta College Challenge All-Tournament Team. Her work helped South Carolina reach the NCAA Tournament. In July 2024, Mardjetko signed with Tennessee and continued her development under the Lady Volunteers program.
During the 2025 season, she appeared in 27 games with 16 starts, finished 12-2, threw 95.1 innings, struck out 118 hitters, and recorded a 2.50 ERA. She also made her Women’s College World Series debut against Florida on May 30, 2025.
By 2026, Mardjetko had become one of Tennessee’s most reliable pitchers. As of May 22, 2026, she owned a 14-2 record, a 1.12 ERA, 165 strikeouts, and 119 innings pitched. She earned SEC Pitcher of the Week in April 2026 and was named a Softball America Second Team All-American in May 2026.
Personal Life
Sage Mardjetko appears to keep her personal life private. There is no verified public information confirming a relationship, boyfriend, husband, or children. Most public attention around her focuses on softball, academics, training, and team achievements.
Her lifestyle appears centered on college athletics, schoolwork, team travel, and development as a pitcher. She has also shown strong academic discipline, which separates her from many athletes known only for sports performance.
Social Media Presence
Mardjetko has a publicly known Instagram account under the handle @sagemard16 and an X account listed as @MardjetkoSage. Her social media presence mainly reflects softball-related updates, team recognition, and moments from her athletic career.
Tennessee softball’s official accounts also feature her regularly, especially after awards and major performances. She does not appear to use public platforms for heavy personal promotion or lifestyle branding.
Sage Mardjetko Net Worth
Sage Mardjetko’s exact net worth is not publicly confirmed. As a college softball athlete, her earnings likely come from NIL opportunities, team-related merchandise, and possible athlete fan platforms. Tennessee’s NIL store includes merchandise connected to her name, and Tennessee softball athletes can also participate in NIL Club-style fan support.
However, no reliable public source confirms her exact NIL income, endorsement value, investments, or total assets. A cautious estimate would place her public net worth in the low five-figure range, but that figure is approximate and should not be treated as official.
