Even though embarking on their maiden continental adventure, Crystal Palace are adapting at a rapid pace. Without star figures like striker Jean-Philippe Mateta and wing-back Daniel Muñoz, the Eagles left Dublin with a comfortable win that virtually guarantees them a place in the Conference League qualifying rounds.
A further victory in their next fixture against Finnish KuPS should be enough to secure direct passage to the knockout stages, especially following a prior setback against Strasbourg.
This match offered a platform for several Palace's lesser-used players to shine. Christantus Uche, in only his second start since joining on loan from Getafe, opened the scoring with a clinical goal. Striker Eddie Nketiah added a second, scoring for the second consecutive succession.
The Shelbourne side that had finished their league season were no match against a mostly rotated Palace lineup. The visitors were further weakened by the reports that Mateta and Muñoz are sidelined with knee problems.
Despite heavy rain in Dublin, Palace rapidly established dominance. A flowing move in the 11th minute, initiated by Daichi Kamada's incisive pass, let Nketiah to lay on Uche for a straightforward tap-in.
Youngster Adam Wharton went close minutes later, driving a powerful shot over the bar. Nketiah subsequently appealed for a penalty after racing into the area, but the referee dismissed the appeals.
The formerArsenal man didn't need to wait long to get his goal, prodding home from a yard out after Uche's shot had struck the post.
Shelbourne were clinging on desperately. Defender Kameron Ledwidge was lucky to avoid a booking for a couple of robust tackles on Yeremy Pino, before Chris Richards rattled the woodwork with a header from a corner.
The contest was as good as over eight minutes from half-time. Yeremy Pino weaved past some weak challenges before calmly slotting a shot past keeper Wessel Speel to extend the lead to 3-0.
After the break, manager Oliver Glasner seized the opportunity to rest several players like Kamada and Wharton. Substitute Romain Esse almost scoring his first touch, only to see his shot blocked.
The youngster was desperately unlucky later on, seeing one attempt strike off both posts before being gathered on the line. Uche then blazed a sitter of a chance, showing there is still scope for improvement in his game.
A solitary concern for Palace was a second-half injury to Justin Devenny, who was forced off. This allowed 17-year-old forward Benji Casey to earn his first-team debut, capping an otherwise perfect evening for the visiting side.
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