Man Utd keeping tabs on Porto star

Manchester United are reportedly monitoring the performances of FC Porto striker Jackson Martinez, according to The Mail.

The Mancunian giants are believed to be keen on signing a new striker in the summer, with Robin van Persie and loan signing Radamel Falcao heading for the exit door.

A report from the Mail claims that Louis van Gaal had sent scouts to watch the Colombian international in action during Porto's 3-1 first-leg win over Bayern Munich in the Champions League quarter-finals.

Martinez has been in terrific form for Porto this season, having scored 27 goals in 36 appearances till now.