Filed under: NFL Videos Colts-49ers is the best of NFL's Week 3 With the arrival of Trent Richardson in Indianapolis, everyone will be watching his Colts debut in San Francisco this Sunday. Here are three more reasons why Colts-Niners is the NFL's game of the week. By Matt Ufford Sep 18, 2013, 9:59pm EDT Share this story Share this on Facebook Share this on Twitter Share All sharing options Share All sharing options for: Colts-49ers is the best of NFL's Week 3 Reddit Pocket Flipboard Email More from Three Reasons Why: Why Matt Schaub should keep the starting job Why the Blackhawks repeat in 2014 Three good reasons to fire Greg Schiano Why Clemson will beat Florida State Three reasons why Ole Miss can beat Alabama In This Stream Browns trade Trent Richardson to Colts for first-round draft pick Brown called Richardson trade a 'brilliant move' Three reasons to watch Colts-49ers Browns GM says Richardson trade was about value View all 15 stories Next Up In NFL Bryce Young is practicing today Robert Saleh’s bizarre loyalty to Zach Wilson could cost him his job Josh McDaniels continues to make the argument against himself Eli Manning on sliders, family, Daniel Jones, and more In Week 3, Travis Kelce fueled the Chiefs’ offense: ‘He just does what he wants’ The 49ers have to do what the Cowboys couldn’t against the Cardinals