The day before WWE Elimination Chamber, "SmackDown" was busy with two championship defenses, renewed rivalries, and a new opportunity for someone to clinch a spot inside the chamber. The main thread of the show was Jey Uso. Who attacked him backstage removing him from the men's Elimination Chamber, and who will step up to take his place? Cody Rhodes accused Undisputed WWE Champion Drew McIntyre, Sami Zayn accused Jacob Fatu, and "SmackDown" general manager Nick Aldis had a mess on his hands. At the end, Logan Paul and Fatu dueled in the main event for a chance to get to Elimination Chamber in place of Jey Uso, with Paul clinching the sixth and final spot with a shot at the McIntyre on the line at WrestleMania 42. Paul joins Cody Rhodes, Randy Orton, L.A. Knight, Trick Williams and Je'Von Evans in the chamber Saturday in Chicago (ESPN Unlimited, 7 p.m. ET).…