MONACO (AP) — Monaco vice president Vadim Vasilyev says Manchester United will wait until the end of the season to decide whether to use its option to buy loan striker Radamel Falcao.

Vasilyev told local newspaper Nice Matin that he recently met with United officials, and they remain perplexed following the Colombia forward's poor season.

Vasilyev said, "This is not his best season, but they've opted to decide at the end of the championship."

After a knee injury kept him out of the World Cup, Falcao left Monaco on a year-long loan. But he has struggled to adapt to the English Premier League, scoring only four goals in 25 appearances with United.

Vasilyev added that Falcao left Monaco because "he wanted to play at a higher level," and he had a difficult relationship with then-coach Claudio Ranieri.