Grading 49ers’ offense, defense in convincing win over Giants

SANTA CLARA — The 49ers got the win to kick off Week 3 of the NFL season, and now they can sit back and enjoy a few well-earned days off. "We're real happy to be 3-0 right now," 49ers coach Kyle Shanahan said Thursday night following the team's 30-12 victory over the New York Giants at Levi's Stadium. They are also happy to get through the short week relatively healthy and not be rushed into their Week 4 preparations to face the Arizona Cardinals. As was the case in their victories over the Pittsburgh Steelers and the Los Angeles Rams, the 49ers were not perfect against the Giants, either. The 49ers have set the bar so high that even an 18-point victory over a playoff team of a year ago will come with some areas the coaching staff can focus on improving. Overall, it was certainly an "A" performance. Here are the grades from the 49ers' Week 3 game against the Giants: Rushing offense The 49ers found a nice mix of Christian McCaffrey — mostly McCaffrey — and backup running back Elijah Mitchell. McCaffrey rushed for 85 yards and a touchdown on 18 carries, while Mitchell added 42 yards on 11 carries. The 49ers had 39 carries in the game, including four from quarterback Brock...