Ed Sheeran story making headlines every day.Whether it’s his copyright lawsuit (which he just won), an “American Idol” guest judging appearance or his new number one album, “Subtract,” the 32-year-old singer really is all over the news cycle.Next up for him though might be Sheeran’s most exciting venture yet — his 37-concert ‘Mathematics Tour’ running at stadiums and more intimate venues (where he’ll play ‘Subtract’ in its entirety with a full band) from May 19 all the way through Sept. 23.For fans, the best news of all might be that tickets are becoming more and more affordable in the days leading up to the tour.In fact, some seats are downright cheap considering the best-selling, four-time Grammy winner’s bona fides.Don’t believe us?Well, at the time of publication, we found some ‘Mathematics Tour’ tickets going for as low as $27 before fees on Vivid Seats.Yes, really.