By Alek Arend Colin Kaepernick has made it clear he wants to play in the NFL again one day. However, to get there he’s going to have to climb up the ladder and earn his spot. He missed a big opportunity to impress NFL teams on Saturday night. The USFL 2022 season kicked off on Saturday night. The Birmingham Stallions battled the New Jersey Generals. There were a few big names in the game, but none like Kaepernick. Everyone was saying the same thing about the former NFL star during the game: he should have played in the USFL. If he did, he could have impressed a few NFL teams. Oh well. “This jo…