And Bluebirds boss Dave Jones has injury concerns over captain Joe Ledley and striker Jay Bothroyd.
"Ledley King is one of the best England defenders, " Capello told BBC Radio 5 live.
Ledley then deceived Langfield with a low, driven effort with the visitors in complete disarray.
"I never stopped Ledley going, I never said anything about the manager picking him, " he said.
While Joe Ledley is playing through the pain barrier as he needs hip surgery.
Defender Ledley King was also forced out of Saturday's match with a groin strain.
The Championship club then offered the 22-year-old a new four-year deal, with which Ledley was unhappy.
But Ledley levelled immediately, turning smartly on a cross from Emilio Izaguirre to drill home.
Joe Ledley hit the bar in the first half, while midfield substitute Aaron Ramsey impressed after half-time.
England star Gerrard is Liverpool's talismanic midfielder and Jones insists Ledley has the same impact on Cardiff.
Cardiff could now lose Ledley, who has been linked to Stoke City, Wigan Athletic and West Ham.
Mark Kennedy cut the ball back inside the box and Cardiff-bred Ledley enhanced his local hero status.
"Ledley King will remain club captain and team captain as long as he stays here, " the Dutchman added.
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But as Ledley has only a year left on his Cardiff deal, his potential valuation has probably decreased.
But Cardiff boss Dave Jones dismissed fears over Ledley's hip condition, saying similarly affected players have played on.
Rangers took the lead through Steven Davis' 20-yard strike but Joe Ledley headed Celtic level on 31 minutes.
Ledley has been at the centre of transfer speculation since last season and has undergone double hip surgery.
Warnock refused to and after Ledley's winner he came closest to levelling with a shot Marshall crucially saved.
Celtic responded with their captain for the night Georgios Samaras powering a header wide from a Ledley delivery.
David Cotterill, Andy King and Ashley Williams all scored first senior goals, with Joe Ledley hitting a penalty.
Hodgson's team included players such as Matt Le Tissier, Ledley King and former Germany and Arsenal goalkeeper Jens Lehmann.
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Joe Ledley gave the Bluebirds the play-off spot with two games to spare.
Bellamy's low cross then gave Joe Ledley a simple tap in to double Wales' lead 10 minutes before half-time.
"I just stiffened up in the groin and hamstring, I'm glad it's nothing more, " Ledley told BBC Sport Wales.
Redknapp restored Jonathan Woodgate to his starting line-up, but lost captain Ledley King because of his long-standing knee injury.
Captain Joe Ledley and Gareth Bale saw long-range shots saved after the break.
Jones says Ledley was asked on Friday if he was fit to face Preston and the player said "yes".
But Wales were controversially denied a penalty when Serdar Tasci handled as he slipped in front of Joe Ledley.
We will speak with Tottenham's fitness coach to know what Ledley is able to do but there are no problems.
Ledley (groin) came off in Saturday's 1-0 win over Preston and Chopra had a stomach upset ahead of that win.
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