The 1958 Cal Poly Mustangs football team represented California Polytechnic State CollegeâÂÂnow known as California Polytechnic State University, San Luis ObispoâÂÂas a member of the California Collegiate Athletic Association (CCAA) during the 1958 college football season. Led by ninth-year head coach LeRoy Hughes, Cal Poly compiled an overall record of 9âÂÂ1 with a mark of 4âÂÂ1 in conference play, sharing the CCAA title with Fresno State. The team outscored its opponents 321 to 60 for the season. The Mustangs played home games at Mustang Stadium in San Luis Obispo, California.