Minnesota Vikings running back Alexander Mattison returns to San Bernardino for I AM GIFTED program – San Bernardino Sun
Alexander Mattison: The Hope of San Bernardino
Two San Bernardino City Unified Graduates Join Minnesota Vikings in 2019 NFL Draft – Westside Story Newspaper – Online
Minnesota Vikings running back Alexander Mattison returns to San Bernardino for I AM GIFTED program – San Bernardino Sun
Boxing workouts with a pro have helped Vikings' Alexander Mattison on the field – Twin Cities
Alexander Mattison 2019 NFL Draft Profile - Last Word on Pro Football
NFL Draft 2019: Minnesota Vikings select Alexander Mattison of San Bernardino High – Daily Bulletin
Minnesota Vikings running back Alexander Mattison returns to San Bernardino for I AM GIFTED program – San Bernardino Sun
2010 South Dakota State Football Media Guide by South Dakota State University Athletics - Issuu
Minnesota Vikings running back Alexander Mattison returns to San Bernardino for I AM GIFTED program – San Bernardino Sun
Sun/Daily Facts' SoCal Prep Legends Boys Athlete of the Week: Alexander Mattison – San Bernardino Sun
Vikings rookie running back Alexander Mattison beat the odds