Here's a look at a key matchup heading into Sunday's Week Nine battle between the Bears and Bills in Toronto.

Bills WR Steve Johnson vs. Bears CB D.J. Moore

Johnson moves to the slot when Buffalo opts for a three-receiver set, and he could find himself lined up across from Moore, the Bears' nickel back, frequently if Chicago's run defense does a good job of slowing down RBs Fred Jackson and C.J. Spiller.

Johnson has been on a tear of late, with at least one TD catch in each of the past five games (six TDs over that span). He's becoming a go-to guy for Bills QB Ryan Fitzpatrick and will have a five-inch height advantage over Moore, who is listed at 5-foot-9. But if Fitzpatrick forces throws at his new favorite target, Moore is capable of breaking on the ball and making a pick.

Moore has been a pleasant surprise this season and has made some big plays of his own, including returning an interception 54 yards for a TD against the Redskins in Week Seven.

If Johnson is in position for a jump ball and uses his size advantage to box out Moore, Buffalo's offense will benefit from this matchup.