2026 Baseball Roster
Haas, Matthias

Jersey Number 9
Matthias Haas
- Height:
- 6-1
- Weight:
- 200
- Class:
- Graduate Student
- Hometown:
- Oakland, CA
- High School:
- Bishop O'Dowd HS
- Prev School:
- Cal Poly
Bio
2024 (R-Junior): Played in 42 games, starting in 26 of them…Hit .299 with 19 runs scored, five doubles, five home runs, and 24 RBIs. He had an on-base percentage of .383 and a slugging percentage of .505. He had 13 walks and stole two bases.
2023 (R-Sophomore): Played in five games, starting two … Had an on-base percentage of .273 and slugged .111 … Singled against Cal on February 25.
2022 (R-Freshman): Haas hit .265 in 42 games (30 starts) with three doubles, a triple, three home runs and 17 RBIs ... 13 starts in right field and 17 as Cal Poly's designated hitter ... eight two-hit games, including three in a row against UC Irvine, Stanford and UC Riverside from April 16-22 ... compiled seven-game hitting streak to open the season, going 9-for-27 (.333) ... home runs were against Washington, Fresno State and Harvard ... played summer ball for Lake Shore in Northwoods League ... hit .276 in 40 games with 10 doubles, three home runs and 20 RBIs ... ended season with six-game hitting streak, going 10-for-23 (.435) with two doubles and four RBIs.
At Brown -- Haas attended Brown for two years before transferring to Cal Poly ... Bears did not play baseball in 2021 due to the COVID-19 pandemic and Haas played just one game in the pandemic-shortened 2020 campaign, starting at second base against Presbyterian and going 0-for-4.
High School -- Haas was a shortstop at Bishop O’Dowd High School in Oakland, Calif., earning three all-West Alameda County Conference honors and a pair of All-CIF-North Coast Section accolades ... twice he landed on the California Baseball Coaches Association Northern California Team ... Haas hit .333 as a sophomore, .455 as a junior and .390 as a senior, completing his prep career with a .392 average, including 26 doubles, one triple, four home runs, 45 RBIs and 28 steals in 82 varsity games ... also pitched during his final two seasons, compiling a 3-1 mark and 2.23 ERA in 16 mound appearances ... during his senior season under head coach Alque Ryans, Haas led Dragons to 20-10 overall record, second-place West Alameda County League finish and second-place finish in CIF-North Coast Section Division III playoffs ... a four-year Honor Roll member and was a member of ECO Leaders ... also has played for the EJ Warriors and played in the summer of 2021 for the North Shore Navigators, hitting .257 with three doubles, one triple, two home runs and 24 RBIs in 43 games ... nine multiple-hit games and three steals.
Personal -- Son of Rocio and Michael Haas ... one brother, Nikolas, and one sister, Elena ... hobbies include hiking, fishing and dirt bike riding ... career ambitions include playing professional baseball, fighting climate change and becoming a rancher ... born in Berkeley, Calif. ... majoring in agriculture business.
2023 (R-Sophomore): Played in five games, starting two … Had an on-base percentage of .273 and slugged .111 … Singled against Cal on February 25.
2022 (R-Freshman): Haas hit .265 in 42 games (30 starts) with three doubles, a triple, three home runs and 17 RBIs ... 13 starts in right field and 17 as Cal Poly's designated hitter ... eight two-hit games, including three in a row against UC Irvine, Stanford and UC Riverside from April 16-22 ... compiled seven-game hitting streak to open the season, going 9-for-27 (.333) ... home runs were against Washington, Fresno State and Harvard ... played summer ball for Lake Shore in Northwoods League ... hit .276 in 40 games with 10 doubles, three home runs and 20 RBIs ... ended season with six-game hitting streak, going 10-for-23 (.435) with two doubles and four RBIs.
At Brown -- Haas attended Brown for two years before transferring to Cal Poly ... Bears did not play baseball in 2021 due to the COVID-19 pandemic and Haas played just one game in the pandemic-shortened 2020 campaign, starting at second base against Presbyterian and going 0-for-4.
High School -- Haas was a shortstop at Bishop O’Dowd High School in Oakland, Calif., earning three all-West Alameda County Conference honors and a pair of All-CIF-North Coast Section accolades ... twice he landed on the California Baseball Coaches Association Northern California Team ... Haas hit .333 as a sophomore, .455 as a junior and .390 as a senior, completing his prep career with a .392 average, including 26 doubles, one triple, four home runs, 45 RBIs and 28 steals in 82 varsity games ... also pitched during his final two seasons, compiling a 3-1 mark and 2.23 ERA in 16 mound appearances ... during his senior season under head coach Alque Ryans, Haas led Dragons to 20-10 overall record, second-place West Alameda County League finish and second-place finish in CIF-North Coast Section Division III playoffs ... a four-year Honor Roll member and was a member of ECO Leaders ... also has played for the EJ Warriors and played in the summer of 2021 for the North Shore Navigators, hitting .257 with three doubles, one triple, two home runs and 24 RBIs in 43 games ... nine multiple-hit games and three steals.
Personal -- Son of Rocio and Michael Haas ... one brother, Nikolas, and one sister, Elena ... hobbies include hiking, fishing and dirt bike riding ... career ambitions include playing professional baseball, fighting climate change and becoming a rancher ... born in Berkeley, Calif. ... majoring in agriculture business.
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