The Eagles looked great on opening day against a bad Falcons team. San Fransisco is a much better team, and Kyle Shanahan is a much better coach. However, for the first time since the beginning of the pandemic, Lincoln Financial Field will have a full house. There are a ton of matchups to look at, a ton of players to look out for, and a ton of questions still to be asked. But these are the biggest keys to the game on Sunday.
Keys to the game: How the Eagles can upset the Niners
