NFL preseason Week 1 takeaways: Mendoza debuts for Raiders; Allar shines for Steelers

NFL preseason Week 1 is underway, with notable debuts from Raiders quarterback or player Mendoza and Steelers' Matt Allar, who shone in his appearance. The games mark the first opportunity for rookies and players in new situations to showcase their abilities in live action. Specific performance details highlight Allar's strong showing for Pittsburgh and Mendoza's debut for Las Vegas.