By Matt Hladik It’s not just Pittsburgh Steelers fans who are annoyed with Mitch Trubisky’s performance tonight. After Trubisky failed to target him on a crucial fourth down play that went unconverted, Steelers wide receiver George Pickens couldn’t hide his disappointment. An exasperated Pickens was caught on camera by the Amazon Prime Video crew, and game analyst Kirk Herbstreit himself made note of the second-year pro’s frustration. Pickens has only been targeted five times tonight, pulling in five receptions for 19 yards. Trubisky was intercepted early in the game, leading to a New England …