Owen sent off for taking the man in the air.
McCusker sent off for reckless use of the feet.
Thomas binned for playing the ball in an offside position, close to his own line.
From the sin binning the Ospreys kick to the corner, and after a number of phases the ball comes to Fotuali'i, who finishes well in the corner.
With the Ospreys on the attack, Knoyle binned for tackling the player off the ball.
20 minutes to go and the Ospreys are dominating the game, with all the possession and territory.
The Ospreys build phases in the Scarlets 22 and earn a penalty, which is taken quickly. A phase later the ball is spread wide and King scores in the corner.
The Ospreys put huge pressure on the Scarlets inside the Scarlets 22, and a poor clearance cause the ref to penalise the Scarlets for being offside.
Jonathan Davies forces a penalty after his block down, but Thomas cant convert.
The Scarlets are penalised on their own scrum, which down to 7 men cannot halt the Ospreys pack.