Problems with run defense: The Chiefs have struggled with defending the run this year, allowing an average of 126 rush yards per game (third-most in NFL).
Top CB in KC: Since entering the league in 2015, Marcus Peters leads the NFL in interceptions (10) and passes defended (31). His completion percentage allowed (52.3) also ranks No. 5 among CBs during that time span.
Which Alex Smith will show up?: The Chiefs starting QB was lights out -- particularly in the second half -- in a Week 1 victory over San Diego, going 34-for-48 with a passer rating of 97.8. Smith regressed against Houston in Week 2, compiling a passer rating of 68.1.
Looking for WR2:Jeremy Maclin leads all Chiefs wide receivers with 22 targets and 11 receptions so far this year. The next closest WR in terms of volume is Chris Conley, with six receptions off 11 targets for a total of 58 yards.
