![I was re-watching the episode where Dee is dating a retarded person, and I realized Mac's shirt from the Chemical Toilet band outfit (which I originally just thought was fake blood stains) I was re-watching the episode where Dee is dating a retarded person, and I realized Mac's shirt from the Chemical Toilet band outfit (which I originally just thought was fake blood stains)](http://i.imgur.com/ILjlPBs.jpg)
I was re-watching the episode where Dee is dating a retarded person, and I realized Mac's shirt from the Chemical Toilet band outfit (which I originally just thought was fake blood stains)
![ESPN combines Eagles and 'It's Always Sunny in Philadelphia': 'The Birds Get New Members' | Yardbarker ESPN combines Eagles and 'It's Always Sunny in Philadelphia': 'The Birds Get New Members' | Yardbarker](http://res.cloudinary.com/ybmedia/image/upload/c_crop,h_1123,w_2000,x_0,y_68/c_fill,f_auto,h_1215,q_auto,w_2160/v1/m/6/e/6e7a3569991c2c081803780da989bdbc0c9c0335/espn-combines-eagles-sunny-philadelphia-birds-new.jpg)
ESPN combines Eagles and 'It's Always Sunny in Philadelphia': 'The Birds Get New Members' | Yardbarker
![It's Always Sunny on Twitter: "How could you, Mac?! #SunnyFXX @RMcElhenney https://t.co/aJPt9XaEgU" / Twitter It's Always Sunny on Twitter: "How could you, Mac?! #SunnyFXX @RMcElhenney https://t.co/aJPt9XaEgU" / Twitter](https://pbs.twimg.com/media/CddTpfzW8AA91ez.jpg:large)