The Las Vegas Raiders are entering Week 5 shorthanded at tight end. According to Ian Rapoport and Tom Pelissero, the Raiders' star tight end is trending toward not playing Sunday against the Colts. Adding to the setback, ESPN’s Adam Schefter reported that Las Vegas ruled out tight end Michael Mayer due to a concussion and elevated Albert Okwuegbunam from the practice squad. Article Continues BelowOkwuegbunam, a former Broncos tight end known for his athleticism, will likely rotate into passing downs and two-tight-end formations. For Las Vegas, this week’s storyline is simple: survive the tight end crisis and stay competitive in the AFC.