The 34-year old former Scotland international has been heavily linked with a move back to Ibrox over the past 12 months but insists he is working hard to win a new deal in Canada with the Whitecaps.
"I really feel if I stay fit and healthy, then Plan A will come into effect,” he told the Vancouver Sun.
"Obviously it has been made clear to me what I have to do to earn an extension, so that's what I'm going to do.
"I've been (in Vancouver) 18 months and I don't think a month has gone by without those questions (about Rangers) being thrown at me. I don't know what more I can actually do.
"If Carl (Robinson) wants to walk through and offer me a two-year deal right now, I'll sign it right here in front of you."
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