Key players Jordon Ibe is the club's record signing, and Callum Wilson is keen to get a full season in.
Cardiff threatened only once, midway through the first half, when a cross from Jordon Mutch enabled Campbell to get in a header that had Julian Speroni scrambling low to his left.
A 23-year-old factory worker, Jordon Begley, died two hours after being struck by a Taser in July 2013, and a jury found that the electrical discharge from the gun – which reaches up to 50,000 volts – was in part responsible.
Jordon Mutch's strike in the second half against Liverpool ended a run of 498 minutes without a goal away from home in the Premier League for Cardiff.
Benitez's edict was followed by his successors Roy Hodgson and Kenny Dalglish and it led to the purchases of Jordon Ibe from Wycombe and Jerome Sinclair from West Bromwich Albion and both, like Sterling, have since reached Liverpool's first team.
Jordon Ibe's goal in the first leg at the Britannia Stadium had given Liverpool the 1-0 advantage which forced Hughes to go for broke in this return fixture at Anfield.
The goalkeeper's body-language suggested otherwise and he was late to the ball as Jordon Mutch, who had gambled on Luiz's folly, dashed forward to dink it into the net.
"I thought it would be a joke," writes another, Jordon Timbrook.
Alan Pardew's Palace, without captain Mile Jedinak for Saturday's contest, brought in seven signings most notably Shola Ameobi, Yaya Sanogo, Jordon Mutch and Wilfried Zaha on a permanent deal.
Liverpool drew first blood in their Capital One Cup semi-final first leg at Stoke where a resilient performance was capped by Jordon Ibe's first-half winner.
Joe Hart's deputy exudes vulnerability and, when coming to meet Jordon Mutch's free-kick just after the restart, he spilt it under pressure from Mile Jedinak.
