The Miami Dolphins player is expecting a child with his ballroom dancer girlfriend Lilit Avagyan next year (13).
Speaking to U.S. radio programme The Paul and Young Ron Morning Show, he said, "I have a little one on the way. We're pretty excited... I look forward to it, and to building a family."
The 27 year old dated Kardashian, who is now romancing rapper Kanye West, in 2007.