When The Who performed at the 2010 Super Bowl halftime show, many fans were critical of singer Roger Daltrey’s voice, but it turns out that just a few weeks before the gig, the rocker had a precancerous growth removed from his vocal cord. Roger told CBS Los Angeles last month that in 2009, it was becoming hard for him to sing, so he went to a doctor, who noticed the growth. While it wasn’t cancer, it was precancerous and was removed a week before Christmas 2009. Roger now checks in with the doctor after every tour. Read more at CBSLocal.com.