The San Francisco 49ers open their preseason against the Kansas City Chiefs on Friday, Aug. 11, 2017, looking for players to fill key spots. Among them are a safety whose aggressiveness has been a surprise and a linebacker who is well known for his ability to blast opponents. The Sacramento Bee's Matt Barrows assesses those two and one other player.
San Francisco 49ers training camp opens this week, and here's a look at 5 players fans should be watching, from experienced veteran centers and Sacramento area prospects to possible breakout players and more. 49ers insider Matt Barrows reports.