TEMPE – After graduating six in 2025, the 2026 Sun Devil Volleyball roster has reloaded by signing five transfers, including two pin hitters, two middle blockers and a setter.
The pin hitters joining the team are Aniya Clinton (graduate from Kansas State) and Una Vajagic (junior from Wisconsin). The middle blockers are Aurora Papac (sophomore from Kansas) and Tosia Serafinowska (redshirt sophomore from Wisconsin). Lastly, the newest setter on the team is Isabella Costantini (senior from UTRGV). All five will join the team for the spring semester.
“We feel like we were able to address all of our needs with these roster additions, creating more depth than we’ve ever had,” said head coach JJ Van Niel. “Throughout the recruiting process, it became apparent that each of them will truly be committed to the Sun Devil Volleyball way, and for that, we are grateful and excited. When you couple exceptional athleticism and skill with passion, great things can happen, and we feel these five will continue to help us achieve our lofty program goals!”
There are also four incoming freshmen that will join the roster who all signed in November. Paige Lehman and Elle Mottola joining this month and Ella Hope and Grace Martin joining in the summer.
Aniya Clinton
Graduate | 6-2 | Outside Hitter | Midland, Texas | Kansas State
- Spent four seasons at Kansas State, redshirting her freshman year. In 2025, she helped them get to the second round of the NCAA Tournament.
- Played in all but two matches in 2025 and was second on the team in kills with 351. She had 18 matches with double-digit kills, including three with 20 or more, and notched nine double-doubles this season also.
- Her career high in kills is 25, which she has reached three times (twice in 2025, once in 2024).
- In 2024, she played in 23 of 27 matches, collecting double-digit kills eight times, ending the season with a streak of five matches in a row.
- Named to the All-Big 12 Rookie Team in 2023. That season, she had 13 matches where she reached double figures in kills.
- Before college, she played club for Texas Advantage and attended Midland High School in Midland, Texas
- A four-year starter for Midland, she earned the 2020 District 2-6A Outstanding Hitter Award in addition to her selection to the 2020 Texas 6A Girls Coaches Association’s All-State Team
- In her senior season, she helped Midland reach the Texas 6A bi-district playoffs with a 19-17 record. She led the Lady Bulldogs with 396 kills in 2021 while ranking second on her team with 274 digs.
- Played club volleyball under head coach and 1984 Chinese Olympian Ping Cao, finishing third in the national tournament in 2021.
- Her parents are Calonski and Kaelie, and she has one older sister Camryn.
- Her dad played basketball at Southwestern Oklahoma State, and her mom played basketball at Tarleton State.
Isabella Costantini
Senior | 5-10 | Setter | Curitiba, Brazil | UTRGV
- Played for the University of Texas Rio Grande Valley for the last two seasons (2024-25). In 2023, she played for Tyler Junior College.
- Two-time Southland Conference Setter of the Year and First Team All-Conference (2025 and 2024).
- Her career high in assists is 66, which she earned in 2024. She has 25 matches in her DI career with 40 or more assists and 13 with 50 or more, including three matches of 60 or more. She also has 23 double-doubles in her DI career.
- Helped the Vaqueros win the 2025 Southland Conference Championship. She was named to the SLC Volleyball All-Tournament Team. She had three SLC Setter of the Week honors this season. She had 10 double-doubles, 10 matches with 40-plus assists and five with 50-plus assists in 2025.
- 2024 Newcomer of the Year. Was also the SLC Setter of the Week five times this season. She set the single-season program record for assists per set with 11.34. She had 13 double-doubles and 15 matches with 40 or more assists. In eight matches, she had 50 or more assists, two of which were 60 or more, with her career high of 66 coming this season.
- At Tyler Junior College in 2023, she had 72 aces, which was T-10th most in NJCAA Div. I. She was named to the All-Region XIV Second Team.
- Named to the 2025 CSC Academic All-District Team.
Aurora Papac
Sophomore | 6-4 | Middle Blocker | Požega, Croatia | Kansas
- In her freshman season at Kansas in 2025, she played in 78 out of 131 sets and made an impact. She was third on the team in blocks with 107.
- Her career high in blocks was 11 against South Florida in 2-25.
- Prior to college, she was experienced on the international circuit, having competed for Croatia in the U19 World Championships in 2023, European Championships in 2019, 2022 and 2024 and the U20 MEVZA Qualification in 2024.
- Chosen as the best middle blocker at MEVZA and at the U19 World Championships in 2023.
- Attended Sport Gymnasium Zagreb.
- Her parents are Ivan and Martina Papac and she has two younger brothers, Vito and Donat.
Tosia Serafinowska
Redshirt Sophomore | 6-4 | Middle Blocker | Kiekrz, Poland | Wisconsin
- Spent her first two seasons at Wisconsin and is a member of the Polish National Team.
- In 2025, she appeared in five matches, making her collegiate debut against Chicago State.
- She did not play in 2024.
- Prior to college, she played for GKS Wiezyca 2011 Stezyca.
- She is a three-time gold medal winner in the U17, U18 and U19 Polish Championships. She is a three-time tournament MVP and three-time Best Middle Blocker award winner.
- Earned a silver medal at the 2021 U16 EEVZA and 2021 EEVZA U17.
- Awarded leader in blocker ranking in all phases and the best middle blocker statistics at 2021 CEV U16.
- Full name is Antonina.
- Her parents are Monika and Tomasz and she has two siblings Zofia and Wojciech. Her sister plays volleyball at Campbellsville University in Kentucky. Her father played basketball for the First Division of Poland men's basketball team
Una Vajagic
Junior | 6-0 | Outside Hitter | Novi Sad, Serbia | Wisconsin
- Spent her first two seasons at Wisconsin and has been with the Serbian National Team since 2020.
- She started all matches in 2025 at outside hitter, helping her team reach the national semifinals, and ended the season with 10 double-doubles. She was second on the team in total kills with 307 and in digs with 275. She had 18 matches with double-digit kills, including the last seven in a row
- Did not play in 2024 due to injury.
- Prior to college, she played with Jedinstvo Stara Pazova, one of the top-tier professional volleyball programs in Serbia.
- Helped Serbia take first place at the World School Volleyball Championship in Brazil.
- Helped her U19 team to victory in The Serbian Cup, Serbian SuperCup and the Serbian Superleague during the 2023-24 season. She was voted MVP in both the Serbian Cup and Serbian SuperCup.
- At the 2023 FIVB Volleyball Women’s U21 World Championship, Vajagic earned best scorer and attacker with 16.0 kills and 17.12 points per match.
- She is a three-time Balkan Championships Gold Medal winner and in 2023 was named Best Outside Hitter.
- Earned a Silver and Bronze medal at the 2022 and 2020 European Championships.
- Her parents are Milana and Borislav Vajagic and she has one sister Nadja.