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LEVERKUSEN, Germany (AP) Bayer Leverkusen has signed midfielder Kevin Kampl from Bundesliga rival Borussia Dortmund.

Leverkusen gave no financial details about the five-year deal signed on Friday.

Kampl arrived in Dortmund in the last winter transfer period but failed to make a major impact. He previously played in Salzburg under coach Roger Schmidt, who is now in Leverkusen.

Leverkusen announced earlier Friday that South Korea forward Son Heung-min is leaving for Tottenham.