Some people are fans of the Carolina Panthers. But many, many more people are NOT fans of the Carolina Panthers. This 2013 Deadspin NFL team preview is for those in the latter group. Read all the 2013 NFL previews so far right here. Your team: Carolina Panthers Your 2012 record: 7-9. Your coach: Ron Rivera. Hey Coach, it's fourth-and-inches late in the game and you have a 250-pound, lightning-fast battletank for a quarterback. What do you do? OH DEAR GOD NO HOW COULD YOU BE SO GUTLESS?! It boggles the mind that the Panthers are gonna let Rivera stick around for another year after shitcanning their general manager last October (that's what happens when you invest 135% of your cap space on running backs). No new GM ever likes keeping around the team's old, shitty…