Andy Carroll finally repaid the first chunk of that massive £35 million price tag as he scored two of the goals that helped Liverpool condemn Manchester City to a chastening 3-0 defeat at Anfield.
In a superb all-round performance, Carroll dominated City defender Vincent Kompany in a manner the Belgian has not experienced all season, lashed home a first in quite brilliant fashion after only 12 minutes and was credited with another when Aleksandar Kolarov's header bounced off the Geordie and into the net.
Between those two, Dirk Kuyt also struck, leaving City beaten, bruised and wondering what fate has in store for them in Saturday's FA Cup semi-final against Manchester United.
A disastrous evening for the Blues that put their top-four hopes in the balance again was only made worse as Carlos Tevez suffered a hamstring injury that seems certain to rule him out of the Wembley showdown.
With a favourable run to the end of the season, the Blues must have felt as if a decent result on Merseyside would have allowed them to confidently look ahead to Champions League combat next season.
Not in their worst nightmares could they have imagined what was about to unfold.
Luis Suarez had already seen a shot touched onto the post by Joe Hart when Raul Meireles let fly with a long-range shot that crashed into Kompany.
The ball ricocheted straight to Carroll, whose first-time effort was hit with far too much power for Hart to keep it out.
When Kompany got himself in the way of a Fabio Aurelio effort, he could only divert the ball across the area, straight into the path of a gleeful Kuyt, who joyfully sent a precise finish into the bottom corner.
As a shellshocked City struggled to clear their heads, Liverpool struck again.
This time Meireles swept a cross to the far post after young full-back Dedryck Boyata had lost possession deep inside his own half.
Kolarov won the aerial duel with Carroll but it was a measure of City's evening that the Serb merely headed the ball against the man he was marking, from where it looped into the net.
Yet potentially, the worst moment of all for City came moments after Carroll's opener when Tevez pulled up with what he indicated was a hamstring injury.
The South American gave the signal for a pull as he made his way off the field. Mario Balotelli was immediately introduced. City's stunned fans could only hope it was a precautionary move. The reality seems certain to be rather more depressing.
Kuyt came agonisingly close to twisting the knife a little bit deeper when he flicked a header narrowly wide of the City goal at the start of the second period.
City midfielder James Milner, normally one of the most level-headed players on boss Roberto Mancini's staff, reacted with obvious anger when he was replaced by David Silva with less than an hour gone.
Not that there was any noticeable improvement from the Blues, with Balotelli producing a typically enigmatic display before suffering the ignominy of becoming a substitute who was substituted as Nigel de Jong was introduced.
Yaya Toure brought a decent save out of Pepe Reina with a 35-yard thunderbolt.
Fittingly though, Carroll almost had the last word when he looped a header onto the roof of the net before departing to a standing ovation just before the end.
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