#32, Infield, R/R
Sierra Romero
University of Michigan '16
Hometown: Murrieta, California
Holds NCAA Records in Career Runs, Grand Slams

Career Stats
- All-Star Cup
- AUX Softball
- Regular Season
YEAR | G | GS | PA | AB | AVG | OBP | SLG% | OPS | R | H | 2B | 3B | HR | RBI | BB | HP | SO | TB | SF | SH | SB | CS |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2025 All-Star Cup | 10 | 10 | 35 | 31 | .290 | .333 | .581 | .914 | 6 | 9 | 3 | - | 2 | 7 | 2 | - | 6 | 18 | - | 2 | - | - |
2025 AUSL | 23 | 23 | 82 | 73 | .288 | .341 | .397 | .738 | 8 | 21 | 5 | - | 1 | 7 | 7 | - | 11 | 29 | 2 | - | - | - |
2024 Championship* | 15 | 5 | 53 | 48 | .250 | .308 | .417 | .725 | 3 | 12 | 2 | - | 2 | 6 | 4 | - | 8 | 20 | - | 1 | 1 | - |
2022 AUX Softball | 12 | - | 47 | 44 | .409 | .447 | .523 | .970 | 10 | 18 | 2 | - | 1 | 11 | 3 | - | 6 | 23 | - | - | - | - |
2023 Championship* | 15 | 7 | 55 | 50 | .260 | .327 | .440 | .767 | 2 | 13 | 4 | 1 | 1 | 7 | 5 | - | 8 | 22 | - | - | - | - |
2022 Championship* | 15 | - | 48 | 42 | .238 | .333 | .357 | .690 | 5 | 10 | 2 | - | 1 | 3 | 6 | - | 10 | 15 | - | - | - | - |
Career Totals | 90 | 45 | 320 | 288 | .288 | .347 | .441 | .788 | 34 | 83 | 18 | 1 | 8 | 41 | 27 | - | 49 | 127 | 2 | 3 | 1 | - |
*The AUSL All-Star Cup was known as the Championship season through 2024.
Splits
DURATION | PA | AB | AVG | OBP | SLG% | OPS | R | H | 2B | 3B | HR | RBI | BB | HP | SO | TB | SF | SH | SB | CS |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Last 6 games | 23 | 22 | .318 | .364 | .500 | .864 | 2 | 7 | 1 | - | 1 | 2 | 1 | - | 3 | 11 | - | - | - | - |
Last 12 games | 42 | 38 | .263 | .368 | .421 | .789 | 4 | 10 | 3 | - | 1 | 3 | 4 | - | 6 | 16 | - | - | - | - |
Game Log
- 2025 All-Star Cup
- 2025 AUSL
- 2024 Championship*
- 2022 AUX Softball
- 2023 Championship*
- 2022 Championship*
DATE | HOME TEAM | AWAY TEAM | PA | AB | AVG | OBP | SLG% | OPS | R | H | 2B | 3B | HR | RBI | BB | HP | SO | TB | SF | SH | SB | CS |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
8/31/2025 | Team Kowalik | Team Coffel | 4 | 4 | .250 | .250 | .250 | .500 | 1 | 1 | - | - | - | 2 | - | - | - | 1 | - | - | - | - |
8/30/2025 | Team Coffel | Team Ricketts | 3 | 3 | .333 | .333 | .667 | 1.000 | - | 1 | 1 | - | - | - | - | - | 1 | 2 | - | - | - | - |
8/29/2025 | Team Coffel | Team Garcia | 4 | 1 | - | .667 | - | .667 | 1 | - | - | - | - | 1 | 2 | - | - | - | - | 1 | - | - |
8/26/2025 | Team Coffey | Team Netz | 4 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | 2 | - | - | - | - | - |
8/25/2025 | Team Kowalik | Team Coffey | 4 | 4 | .500 | .500 | 1.250 | 1.750 | 2 | 2 | - | - | 1 | 2 | - | - | 1 | 5 | - | - | - | - |
8/24/2025 | Team Ricketts | Team Coffey | 4 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
8/21/2025 | Team Kowalik | Team Willis | 3 | 2 | 1.000 | 1.000 | 3.000 | 4.000 | 2 | 2 | 1 | - | 1 | 1 | - | - | - | 6 | - | 1 | - | - |
8/19/2025 | Team Falby | Team Kowalik | 3 | 3 | 1.000 | 1.000 | 1.333 | 2.333 | - | 3 | 1 | - | - | 1 | - | - | - | 4 | - | - | - | - |
8/3/2025 | Team Kilfoyl | Team Corrick | 3 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - |
8/2/2025 | Team Corrick | Team Lorenz | 3 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - |
*The AUSL All-Star Cup was known as the Championship season through 2024.
Highlights
Sierra Romero boosts Team Kowalik to 4-1 victory
The Quick Story: Catcher Kayla Kowalik and infielder Sierra Romero combined for four hits and three runs batted in as Team Kowalik (2-0) closed the second series of the Athletes Unlimited Softball League All-Star Cup with a 4-1 victory over Team Willis (1-1) at Parkway Bank Sports Complex on Thursday evening. Key Moment: After the […]

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Awards & Honors
Holds NCAA Records in Career Runs, Grand Slams
Three-Time First-Team All-American
2016 Honda Sport Award Recipient for Softball
2016 USA Softball Collegiate Player of the Year
2016 NFCA Division I Player of the Year
2013 Big Ten Freshman of the Year
Transactions
DATE | TEAM | TRANSACTION |
---|---|---|
1/30/2025 | Volts | Volts drafted Sierra Romero in the inagural draft [Round 12, Pick 1(45)] |