The forward has signed a one-year deal with his former club after leaving the Bundesliga on a free at the end of the 2016-17 campaign
Ajax have completed the signing of Klaas-Jan Huntelaar on a one-year deal.
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The experienced attacker was available on a free after leaving Schalke at the end of his contract and has now sealed a return to the Amsterdam ArenA.
Ajax were keen to add another striker to their squad to serve as back-up to first-choice number nine Kasper Dolberg and had long been linked with Huntelaar.