For the 49ers their health has become a greater concern than their preseason performance. They just need to make sure they have enough healthy bodies to keep their key starters out of harm's way. More than 20 players missed their preseason opener vs. the Denver Broncos with injuries, and that number could rise Saturday when they face the Raiders.

The San Francisco 49ers will face the Las Vegas Raiders in week 2 of the NFL preseason on Saturday at Allegiant Stadium.

The Las Vegas Raiders lost 22-19 to the San Francisco 49ers on a 59-yard field gal by Jake Moody as time expired Saturday afternoon at Allegiant Stadium on Saturday. The Raiders are 0-1-1. Here are some highlights from the game: