Tammy Baker began her dominating collegiate career at Durham in 1992, following many high school achievements at Eastdale Collegiate.

Upon her arrvial, Tammy made an immediate impact on the Durham Lords soccer program. As a member of the women's soccer team, she was named an OCAA league all-star in 1993-94 and was instrumental in leading the program to their first-ever provincial medal (silver), only a year after soccer became a full varsity sport at Durham College. In addition, she helped the Lords win a bronze medal the following year.

Tammy was named the OCAA rookie of the year in 1992-93, the OCAA scoring champion in 1993-94, the OCAA Central Divison scoring champion twice (1992-93 and 1993-94) and named an OCAA championship all-star in 1993-94.

Her stellar two-year collegiate career saw her score a career toal 19 goals (which ranked 15th all-time in OCAA history). She capped things off by being named a CCAA all-Canadian in 1993-94, the first-ever Durham women's soccer player to receive this honour. Tammy is considered on of the best, if not the best women's soccer players in Durham history. Tammy was named a member of the OCAA Women's Soccer All-Millennium Team.