Arsenal and Manchester United target Sokratis Papastathopoulos admits failure to secure European qualification would force him to contemplate making a move away from Werder Bremen, reports Sky Sports.
The 24-year-old defender has aspirations to test himself at the highest level, and with Bremen languishing in the bottom half of the Bundesliga table, is already thinking about a summer transfer.
Red Devils boss Sir Alex Ferguson has been credited with an interest in bringing Papastathopoulos to Old Trafford, as he continues his search for a long-term successor for Rio Ferdinand and Nemanja Vidic.
Phil Jones, Chris Smalling and Jonny Evans provide the Manchester United manager additional options at centre-back, but the Greek international is believed to have caught Ferguson's eye after he burst onto the scene at AEK Athens.
Arsene Wenger has also been monitoring Papastathopoulos's situation with a view to luring him to the Emirates Stadium, meaning the Gunners could rival United for the former AC Milan star's signature in the summer.
Papastathopoulos turned down the opportunity to move in January, having revealed in the build-up to the winter window that he had shunned 'several enquiries from clubs around Europe'.
"I am looking to contribute heavily and give my absolute best to ensure that we end up in the best possible position in the table at the end of the season," he told Kicker-Sportmagazin.
"I am under contract at Werder Bremen and I have ambitions here. But I will need to think about my club future if we fail to qualify for Europe once again."
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