7 best and worst fantasy football matchups for Week 4

A waiver wire darling shows up in this week's fantasy football matchups column as the injuries continue to mount. And a big-name 23-year-old running back might need to stay on fantasy benches this week.

Each week, matchup analysis like mine will only become more accurate as we learn about team and player tendencies. And last week, we ended up nailing five of our six matchups.