Round sevenpublished at 06:22 BST
Canelo v Crawford
Sam Harris
BBC Sport at Allegiant Stadium
This is a boxing clinic so far from Crawford. His trainer Brian 'BocMack' McIntyre told me in the week it would be a landslide - so far he's bang on.
Terence Crawford dethrones Saul 'Canelo' Alvarez to become undisputed super-middleweight champion in Las Vegas
Crawford becomes first male boxer to be three-weight undisputed champion
Masterclass reflected on scorecards - 116-112, 115-113 & 115-113
Crawford dominates fight, navigates ferocious ninth round as Alvarez fails to find last-ditch knockout
RESULT: Irishman Callum Walsh defeats Fernando Vargas on points
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Charlotte Coates, Kal Sajad and Sam Harris
Canelo v Crawford
Sam Harris
BBC Sport at Allegiant Stadium
This is a boxing clinic so far from Crawford. His trainer Brian 'BocMack' McIntyre told me in the week it would be a landslide - so far he's bang on.
Canelo v Crawford
I know we're only half way through but Crawford is schooling Alvarez here.
Canelo v Crawford
Alvarez looks to back Crawford up on the ropes but Crawford lands a hard left hand and ducks out the way as Alvarez shows swelling around his right eye. Crawford now even starts to smile and talk to Alvarez as he swings and misses again.
Crawford lands with a left and right again as the crowd start to boo, they know Alvarez is way behind on the cards right now.
Canelo v Crawford
Alvarez's corner between rounds tells him: "Everything okay. Round by round, right? Come back to the guard as soon as possible. You have to inflict damage."
Canelo v Crawford
Sam Harris
BBC Sport at Allegiant Stadium
Alvarez trying to lift Crawford up there at the end of the round tells you all you need to know about this fight so far.
The Mexican looks very frustrated out there - Crawford well on top.
Canelo v Crawford
Both fighters throw with bad intentions but just miss the target but Alvarez lands with a good body shot but it doesn't seem to trouble Crawford just yet. Crawford is proving a hard target for Alvarez to nail down. His footwork has been immaculate so far and Alvarez may start to get frustrated.
No signs of that just yet, though.
Canelo v Crawford
Sam Harris
BBC Sport at Allegiant Stadium
Crawford is on a roll here. The quickness, the agility, wow. That jab is setting Alvarez up perfectly.
Canelo v Crawford
Crawford lets his hands go early in the round as he counters Alvarez and unloads before nipping in with a straight left. Alvarez looks determined, plants his feet and lands with a straight right but Crawford brushes it off.
Alvarez lands in the final seconds with a right hand and Crawford gives him a smile and a nod.
Replays show it was a heavy shot.
Canelo v Crawford
Sam Harris
BBC Sport at Allegiant Stadium
Bud Crawford does not look phased at all and in the stadium the 'Canelo' chants have all but died down.
'Let's go Bud!' is all we can here from the press box!
Canelo v Crawford
Crawford 3-0 up?
Canelo v Crawford
Crawford seems to be relaxing as he dances around Alvarez while he tries to cut the ring down. Alvarez lands a hook to the body but Crawford is accurate with his southpaw jab. Alvarez goes to the body again Crawford is razor sharp and fires back with a left to the head.
Some great skills on show from Crawford so far as Alvarez waits to land big.
Canelo v Crawford
Skipper Kelp
Coach and retired boxer on Netflix
Right now, Crawford is doing a better job of managing the distance in the fight. He is where he wants to be.
Canelo v Crawford
Andre Ward
Retired two-weight world champion on Netflix
The fight is still early, but inactivity or the rust has not shown in Terence Crawford.
Canelo v Crawford
Sam Harris
BBC Sport at Allegiant Stadium
I'm giving the first two rounds to Crawford there.
He doesn't seem to have lost too much speed despite going up in weight - he looks really, really sharp.
Whatever Alvarez has thrown at him he's found an immediate answer.
Leading with that jab he's asking a lot of questions of the Mexican here.
Canelo v Crawford
Alvarez is looking to cut the ring down but Crawford is showing some nice footwork to free space as he looks for another left hook. Alvarez swings and misses with a huge overhand right as the round comes to an end.
Another cagey one but I would say some better work from the American there.
Canelo v Crawford
Andre Ward
Retired two-weight world champion on Netflix
Canelo is not a jabber, it is not something he does very often. His gift is pressuring with his feet and making the ring seem a lot smaller than it is. We see him doing that right here.
Canelo v Crawford
Sam Harris
BBC Sport at Allegiant Stadium
One word - cagey.
Canelo v Crawford
Alvarez sees a right hook blocked before Crawford lands a left hook of his own. Alvarez then clips Crawford with left hook to the body but it's a round largely where they try to work each other.
Two fighters in there with extremely high boxing IQs.
Canelo v Crawford
Sam Harris
BBC Sport at Allegiant Stadium
A deafening atmosphere here in Vegas, this is the big fight feel we all hoped for!
Canelo v Crawford
Wow, what an atmosphere as the first bell goes and Crawford takes centre ring in the southpaw stance.