Radamel Falcao
Falcao has scored just once for United amid he struggles for fitness at Old Trafford.Getty

Manchester United legend Denis Law believes it is only a matter of time before Radamel Falcao rediscovers his lethal touch in front of goal.

Falcao's progress following his transfer deadline day loan move from Monaco has been hindered by a calf injury he suffered in late October.

Since returning to first team training, the 28-year-old striker has been limited to cameo appearances off the bench against Hull City and Stoke City with manager Louis van Gaal reluctant to start him until he has attained full match fitness.

The Colombian was an unused substitute in United's recent victory over Southampton, but Law, who still holds United's record of most goals in a single season – 46 in the 1963/64 season – has backed the summer signing to deliver in the coming weeks.

"Falcao looks well and is a very good player," Law told United's official website. "There is no doubt about that and once he gets fully fit and feels right, he will come good. Good players will always play well, no matter which team they go for. It's just a matter of slotting in."

Law himself has experience in adjusting to a new league having left Manchester City for a season with Torino before achieving legendary status at Old Trafford.

While the Scot's spell in Italy didn't go according to plan, he believes the current generation of stars are more adept at swift adaptation - and suggests Falcao is no different.

"I think it can be difficult for overseas players to adapt. Not as difficult probably as it was in our day because the world has shrunk. We had a telephone and that was basically it.

"Now with the communications we have today, you don't feel so isolated from another country but it is still not easy to settle into a new country with a different way of life, different food and of course, the language as well. But these guys are young and pick things up."