AAron Ontiveroz, The Denver PostCase Keenum (4) of the Denver Broncos cannot score inside the redzone against the Los Angeles Chargers during the first half on Sunday, Dec. 30, 2018. The Denver Broncos hosted the Los Angeles Chargers. Move over, John Elway. Another former Broncos quarterback is joining the world of wine. Case Keenum is a member of a three-man group that purchased Haak Vineyards and Winery in Santa Fe, Texas, from owners Raymond and Gladys Haak, according to the Houston Chronicle. “As seniors, Gladys and I are ready to retire and we’re looking forward to traveling as much as we can in the years we have left,” Raymond Haak, 81, told the Chronicle. Keenum, 32, was the Broncos’ starter in 2018, his lone season in Denver.