If you didn't realize that every NFL season is a different animal, welcome to 2013.
The Colts' defense was sensational in the team's 27-7 victory. But it also showed that the 49ers' offense doesn't just have a problem when playing in Seattle. Colin Kaepernick had just 86 yards passing midway through the fourth quarter. He didn't have any open receivers, and there were six separate 49ers drives that didn't result in a first down.
1. Trent Richardson had just 35 yards on 13 carries in his first game as a Colt, including a touchdown. But Ahmad Bradshaw looked fantastic rushing for 95 yards. Bradshaw has quietly improved each week this season and was looking like his old hard-charging self Sunday. The performance was reminiscent of when Bradshaw and the New York Giants steamrolled the 49ers in San Francisco last year.
3. Kaepernick was bottled up as a runner, finishing with just 20 yards. He also was uncharacteristically inaccurate as a passer. This is truly the first slump of his career.
4. The book is out on the 49ers' receiver group. They have to prove that they can beat man coverage.
6. Andrew Luck didn't get a lot of help from his defense and running game last year. On Sunday, he had a nondescript game and won convincingly on the road against a quality team. That's a great sign for the Colts' chances this season.