- Was cocaptain of the basketball team and captain of the golf team in high school.
- Shared a suite with golfers Fred Couples and Blaine McCallister in the athletic dorm at the University of Houston.
- Was public-address announcer for the Houston Astros and Houston Cougars while in college; was the voice of Brigham Young football while working as a local sportscaster in Salt Lake City.
- Joined CBS in 1985 as a studio host for college football.
- Began anchoring coverage of the Masters in 1989.
- Was named the National Sportscaster of the Year by the National Sportscasters and Sportswriters Association in 1998, 2005, 2007, 2008 and 2009.
- Received an honorary doctorate of humane letters from the University of Houston in 2001.
- Received the Naismith Memorial Basketball Hall of Fame Curt Gowdy Media Award in 2002.
- Was the first commentator to complete the rare broadcasting feat of calling the Super Bowl, the NCAA Men's Final Four basketball championship, and the Masters golf tournament in a span of 63 days in 2007; repeated the feat in 2010.
- In 2011 created with Houston's Methodist Hospital the Nantz National Alzheimer Center.
- Courtney Richards Nantz — Wife
- Ann-Lorraine Carlsen Nantz — Ex-wife
- Caroline Nantz — Daughter
- University of Houston, Houston, Texas, United States (1981)