Cassidy's personal profile has been kept low and secret though she is a well-known TV star. There is no any information about her love affairs, boyfriend, married life and her spouse in the media but she has admitted that she is married once in her twitter account.
Cassidy was raised in Evanston, Illinois. As a child, she was enrolled at Evanston Township High School. There she was also active in several sports. She graduated from there in 2003 and then she joined University of Illinois. She studied there only for about a year and then she got transferred to Northwestern University where she majored in journalism.
She finally earned her Bachelor of Science degree from the Medill School of Journalism. She joined Navteq and began working as a traffic reporter and producer for WMAQ NBC5 Network. She also worked at Big Ten Network and Fox Sports South as a host and reporter for several years.
She has been working for ESPN since 2010. She has been earning the lucrative amount of annual salary and her net worth is said to be around $ 7.5 million.