According to SPORT, Ajax have resolved to keep De Jong because they are all set to play in the Champions League group stage this season.
A 3-1 first-leg lead over Dynamo Kiev is not expected to be overturned by Thursday and, with the transfer deadline on Friday, there would not be enough time to complete the De Jong deal if they were knocked out of the tournament.
A move for Kampl is therefore on the cards, SPORT claim.
The RB Leipzig midfielder, 27, only joined the German side from Bayer Leverkusen last summer.
Barcelona transfer news: Kevin Kampl only joined RB Leipzig last summer (Image: GETTY)
Barcelona transfer news: Frenkie De Jong is wanted at Barcelona as well (Image: GETTY)
He was an integral part of Leipzig’s Bundesliga campaign last term and the German side do not want to lose him.
The Slovenia international has also been linked with Atletico Madrid as the Spanish and German transfer deadlines loom.
Barcelona have had a relatively quiet window to date, with manager Ernesto Valverde mainly dealing with the departures of Paulinho and Andres Iniesta.
Malcom, Clement Lenglet, Arthur and Arturo Vidal have come into the side the Valverde could make one more deal happen before deadline day.
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