Baltimore Ravens tight end Dennis Pitta underwent season-ending hip surgery Monday afternoon, coach John Harbaugh said. The Ravens are unsure whether the injury, which is the same right hip Pitta had surgery on last year, is potentially career threatening. "I don't know the ramifications of that long term," Harbaugh said. "We have to be really hopeful for Dennis' return, and I'm sure we'll learn about that in the coming weeks." Read more http://espn.go.com/nfl/story/_/id/11571280/dennis-pitta-baltimore-ravens-season-having-hip-surgery