#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 | 10 | 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 | 40 | 27 | - | 49 | 127 | 2 | 3 | 1 | - |
*The AUSL All-Star Cup was known as the Championship season through 2024.
Splits
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
The Best AUSL Photos of 2025
Director of Photography Jade Hewitt and Photographer Julia Kostopoulos spent 2025 working to tell the story of the inaugural Athletes Unlimited Softball League season and its athletes, one frame at a time. After shooting and sifting through hundreds of thousands of images, the two take you through their favorite images of 2025 and share why […]

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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
- 12/2/2025-Additional Protected Player: [Round 6]
- 1/30/2025VoltsVolts drafted Sierra Romero in the inagural draft [Round 12, Pick 1(45)]
DATE | TEAM | TRANSACTION |
|---|---|---|
12/2/2025 | Additional Protected Player: [Round 6] | |
1/30/2025 | Volts | Volts drafted Sierra Romero in the inagural draft [Round 12, Pick 1(45)] |





















