The Seahawks are favored by 10.5 points Sunday against the Dolphins, Seattle has done well lately when in the role of heavy favorite.

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The Seahawks are a consensus 10.5-point favorite against Miami Sunday, the 20th time Seattle has been a double-digit favorite since 2012 — by far the most in the National Football League.

Denver and New England are next at 12 each with Green Bay at 10.

Being a big favorite has been a good place to be for the Seahawks under Pete Carroll.

Seattle uis 17-2 straight up since 2012 in games when favored by 10 or more — though one of the losses came the last time it happened as the Seahawks lost to the Rams at home last season 23-17 as a 10.5-point favorite.

The other time the Seahawks lost as a 10-point or more favorite in that span was a 30-23 home loss to Dallas early in the 2014 season when the Cowboys were a 10-point underdog (that Dallas team finished 12-4, so in retrospect that was probably a bad line as much as anything. Well, that and the Percy Harvin stuff).

Otherwise, the Seahawks have usually won easily when a double-digit favorite. Seattle is 10-8-1 against the spread in those games. Of the eight times Seattle didn’t cover, two were the losses mentioned earlier, while the Seahawks won four of the other six by at least six points, winning two others by three points.

There’s also this – in 10 years as an NFL head coach Carroll is 10-0 straight up and 8-2 against the spread in home openers.

Seattle has won all six home openers under Carroll and generally decisively.

Here’s the list:

2010 — Seattle 31, 49ers 6

2011 — Seattle 13, Arizona 10

2012 — Seattle 27, Dallas 7

2013 — Seattle 29, 49ers 3

2014 — Seattle 36, Packers 16

2015 — Seattle 26, Bears 0

The Seahawks covered the spread easily in each of those games other than the 2011 contest, which was a push.

Not that any of this necessarily means anything Sunday. But it indicates that along with a lot of other things, history is on the Seahawks’ side Sunday.