Mark Hateley [right] enjoyed two spells at Rangers in the 1990s
Rangers player goes FLYING during game against Celtic
And former striker Mark Hateley, who enjoyed two spells with Rangers in the 1990s, has called for the signing of "brave" players.
"I think brave players, I think you have to have obviously good players with strong characters," Hateley told Sky Sports.
"I think that's what you need when you come to play for a big football club, you take on the responsibility of that football club and players that won't hide.
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"You need to have a level of strength within the technical ability and those players are hard to find.
"When they are out there they are expensive players as well so it is a tough job for him.
"But you would like to think with his contacts within the world of football, on the Portuguese side especially, the European culture, technically gifted players - those players could and should be available to Pedro."