Hour 4: With Trent Williams due to be paid $10 million by tomorrow's deadline, Silver & JD revisit the ongoing contract negotiations and the potential impact on the team's offseason. They also weigh in on the Giants' pitching rotation, which has taken a hit with the news that Hayden Birdsong will undergo Tommy John surgery. The guys share their thoughts on the young players who will need to step up to fill the void. It's a must-listen for all 49ers and Giants fans.