In 1999, Sage got married to Jonathan Bailey. She also had romantic affairs with him for several years before they got bonded as a loving husband and wife. Till date they have already welcomed three children together and there is no any sign of them getting divorced.
During her early days, Sage was raised in several parts of the world like United States, Greece and Belgium. While she was in her 7th grade, her parents moved back to Colorado Springs, Colorado and then she joined Thomas B. Doherty High School. During her senior year, she joined Carmel High School and she graduated from there in 1990. She also has a degree from Indiana University Bloomington. After she earned her Bachelor of Science degree, she joined WSBT-TV, the CBS affiliate in South Bend, Indiana as its news producer. Later on she was named the reporter of this news channel. She worked there till 1997 and then she joined WISH-TV. She worked in this news station as a weekend morning sports anchor and weekday reporter for about a year and then she became associated with WFTS in Tampa, Florida in 1998. In the early 2007, she joined ESPN. She has been earning lucrative amount of salary and her net worth is $1.5 million.