Brent Martineau of Action News Jax reported that sophomore linebacker Jack Kiser went down with an injury and left practice limping. The Jaguars don't know how severe is the injury Jack Kiser sufferedLiam Coen met with reporters after the first day of training camp. He says the Jaguars don't have an update on Jack Kiser, noting that he'll undergo tests to determine the severity of the injury. So very hopeful that it'll be shorter than longer, but you know really don't know exactly what it is at this time." Based on Liam Coen's comments, though, the Jaguars hope Jack Kiser won't miss significant time.