The Vikings' decision to trade Jonathan Greenard to the Philadelphia Eagles opened more than $12 million in cap space for the 2026-27 season. They did not select a wide receiver at this year's NFL Draft, so they now have some resources to pursue a potential option in free agency. Former 49ers veteran Jauan Jennings headlines a list of realistic options still available. Last year's third-round pick, Tai Felton, struggled to make an impact as a rookie with just three receptions for 25 yards on the season. The Vikings lost Jalen Nailor in free agency, so a veteran wide receiver would be an intelligent way to use their new freed-up cap space. Jennings has more than 200 receptions and 2,500 yards in his five-year NFL career, but he had just 55 catches for 643 yards last season. He will turn 29 in July, and he could be a buy-low candidate for the Vikings. He's listed at 6-foot-3, 212 pounds, and could provide Minnesota with a big body target in the red zone.…