Barry Ferguson has admitted he wants to see more from Fabio Silva at Rangers.
The former Ibrox captain is already convinced of the forward's work rate and commitment for Rangers but is hopeful there is more quality to come.
Silva signed on loan from Wolves in January as Philippe Clement's first move of the window.
Since then, Silva - who moved to Wolves for in the region of £35m - has played eight times for Rangers, scoring two goals.
The Portuguese talent, 21, has slotted in at striker for Rangers since his move to Scotland and has split game time with Cyriel Dessers with a huge number of injuries in the forward positions.
Ferguson has been impressed by Silva's adaptation to Scotland but has called for the attacker to bring more quality in the weeks to come.
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Speaking on Go Radio, Ferguson commented: "I want to see a bit more from him, there's no doubt about that.
"His work rate is good, he'll work hard for the team. But I'm expecting a bit more quality. Maybe that'll come.
"It takes some players a bit more time to settle in. Listen, you're not a bad player if you're signed for over £30m.
"Hopefully in the coming weeks, he'll show a bit more going forward."
Previously discussing his favoured position, Silva said: “I am not a ‘really really No.9’ because I don’t like to be static in the box, I like to move and change positions with other players.
“I don’t like to stay in the box only and be ‘No, No.9’. I like to change positions, have connections with players, play one-twos and move deep. I am a dynamic player and I like to change my position during the game.”
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