Yankees owner George Steinbrenner has suffered a "massive heart attack" according to ABC affiliate WABC in New York.
He was rushed to a Tampa hospital early Tuesday morning. His condition is not yet known.
Steinbrenner turned 80 years old on July 4 and has been in declining health since retiring from the day-to-day Yankees operations in 2006.
Stay tuned to this StoryStream for more updates as they develop.