The Welsh winger signed from Schalke on a deal rumoured to be around the £1.7 million mark, around the same fee that the Ibrox side paid out for striker Antonio Colak.
Tom Lawrence and John Souttar were both out of contract and arrived on free deals.
But only time will tell which of these players will be judged as successes in years to come - and which will be forgotten as flops.
We’ve had a look back through Rangers’ recent transfer history at their most expensive signings for the last 15 summer transfer windows – it includes a good mix of cup winners and Gers stars, and expensive failures who couldn’t cut it at Ibrox.
But only time will tell which of these players will be judged as successes in years to come - and which will be forgotten as flops.