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The matchup between Cincinnati Bengals quarterback Joe Burrow and Kansas City's Patrick Mahomes on Sunday in the 2023 AFC Championship Game could entice many to consider the game's over/under, which is 47.5 in the latest NFL odds at Caesars Sportsbook. Mahomes struggled to make handoffs after he injured his ankle last week against the Jaguars, but on the other side of the ball, Kansas City's defense finished the regular season with the fourth-highest pressure rate. Those factors could have you leaning towards taking the Under in Chiefs vs. Bengals when considering the NFL betting lines and NFL spreads for Sunday's conference championship matchups. All of the Championship Round NFL lines are listed below and SportsLine's advanced computer model has all the NFL betting advice and predictions you need to make the best Championship Round NFL picks now.

The model, which simulates every NFL game 10,000 times, is up well over $7,000 for $100 players on top-rated NFL picks since its inception. The model enters the AFC Championship and NFC Championship of the 2023 NFL playoffs on an incredible 162-113 run on top-rated NFL picks that dates back to the 2017 season. It is also on a 16-6 roll on top-rated NFL picks since Week 7 of this season.

The model ranked in the top 10 on NFLPickWatch four of the past six years on straight-up NFL picks and beat more than 94% of CBS Sports Football Pick'em players four times during that span. Anyone who has followed it is way up.

Now, it has turned its attention to the latest Championship Round 2023 NFL odds and locked in picks for every NFL matchup. Head here to see every pick.

Top Championship Round NFL predictions

One of the model's strongest Championship Round NFL picks is that the NFC Championship Game 2023 hits the Under. Brock Purdy lit up a porous Seahawks defense in their Wild Card matchup, but finished with just 214 passing yards and no touchdowns against Dallas last weekend. On Sunday in the NFL playoffs 2023, he'll face the defense that gave up the fewest passing yards and led the league in sacks this season, the Philadelphia Eagles.

In their divisional round matchup last weekend, Philadelphia held the New York Giants to just 109 passing yards. Since Week 13, the Eagles have only allowed one opponent to throw for more than 200 yards in a game. The model predicts that Philadelphia will keep Purdy's success to a minimum and likely force him into an interception for the first time since Week 17, as the Under hits in 60% of simulations. See which other teams to pick here.

How to make Championship Round NFL picks

The model has also made the call on who wins and covers in every other game on the Championship Round schedule, and it says one underdog wins outright in almost 50% of simulations. You can only get every pick for every game at SportsLine.

So which NFL picks can you make with confidence, and which underdog is a must-back? Check out the latest NFL odds below, then visit SportsLine to see which teams win and cover the spread, all from a proven computer model that has returned well over $7,000 since its inception, and find out.

Championship Round NFL odds, spreads, lines, schedule

Get full NFL picks at SportsLine

Sunday, Jan. 29

2023 NFC Championship Game: 49ers vs. Eagles (-2.5, 45.5)

2023 AFC Championship Game: Bengals vs. Chiefs (-1.5, 47.5)