Poll: Who's the Ravens' X-factor Sunday?

History says the AFC Championship Game between the Ravens and the Patriots will be a close one. Three of the past four meetings between these two teams have been decided by six points or less.

In a game that could go down to the final minute, who is the Ravens' X-factor in Sunday's game?

  • Starting quarterback Joe Flacco has had a major effect on games. The Ravens are 30-3 (including playoffs) when he posts a passer rating of 95 or better.

  • Free safety Ed Reed remains a top playmaker on defense and could have had three interceptions in last Sunday's playoff game (he dropped two of them). His eight career postseason interceptions lead all active players.

  • Running back Ray Rice has been the centerpiece of the offense this season. Of the past eight games, he has received at least 20 carries in seven -- all victories.

  • Outside linebacker Terrell Suggs is a strong candidate for NFL Defensive Player of the Year. He led the AFC with a career-high 14 sacks and set a franchise record with seven forced fumbles.

So, who is the Ravens' X-factor against the Patriots? Go ahead and register your vote or let me know what you think in the comments section below. I'll follow up by the end of the week.