Mayville State University Athletics

As a Comet:
2025: Sierra started 46 games out of 46 games played. She hit .210 on the season racking up 26 hits, 6 RBIs and crossed the plate 17 times. She was walked 11 times and was 9-12 on stolen bases. She played all of her innings at second base, where she had a fielding % of .893 with 71 put outs and 46 assists.

Before MSU:
As a Gecko (Gateway CC - Arizona):
2023-24: Played in 32 games, producing 38 put-outs, and 32 assists for the season. Offensively, she had 56 at-bats, with a .250 batting average, racking up 14 hits, with 4 doubles, and 1 home-run. She scored 12 times and had 8 RBIs.
2022-23: Played in 46 games, producing 74 put-outs and 41 assists for the season. Offensively, she had 104 at-bats, with a .288 batting average, racking up 30 hits, with 7 doubles, and 1 triple. She scored 13 times and had 12 RBIs.

Sierra attended Trevor Brown High School in Phoenix, AZ.

Her family includes her mother, Delia Valenzuela, her brother, Oliver Sierra, and her father, Luis Sierra.