Please use Chrome browser for a more accessible video playerThePittsburgh Steelers "Had Gerrard stayed and won the title this year and got Rangers back into the Champions League, then you could say he had a hit a glass ceiling, but there was still work to go. Richard Tait took advantage of a defensive mix-up to supply Alan Power, but he scooped his shot over the bar. Steven Gerrard has left Rangers to take over at Aston Villa, but how will his achievements at Ibrox be assessed in years to come?The club's former striker andSky Sports