According to Extra.com, Blink-182 drummer Travis Barker had been cleared to leave the hospital on Monday night where he was being treated for blood clots. Less than a day later, Barker was readmitted. TMZ reported that the 42-year-old rock icon is also battling a staph infection and a skin infection. According to TMZ, Barker has been placed on blood thinners and doctors are trying to prevent the clots from traveling to his heart or lungs.