Despite entering their maiden continental campaign, Oliver Glasner's side are learning very quickly. Without key figures like forward Jean-Philippe Mateta and wing-back Daniel Muñoz, the London club left Dublin with a commanding win that all but secures them a spot in the Conference League playoffs.
A further three points in their upcoming match against Finnish KuPS should be sufficient to secure straight passage to the knockout stages, especially following a prior setback against Strasbourg.
This match offered a chance for several Palace's fringe talent to shine. Christantus Uche, making only his second start since arriving on loan from Getafe, opened the account with a clinical finish. Striker Eddie Nketiah added a second, scoring for the second game in match.
The Shelbourne team that had concluded their league season proved no match against a largely rotated Palace lineup. The Londoners were already depleted by the reports that Mateta and Muñoz are sidelined with knee problems.
In spite of torrential rain in Dublin, Palace quickly took control. A flowing move in the 11th minute, sparked by Daichi Kamada's incisive pass, let Nketiah to lay on Uche for a straightforward finish.
Midfielder Adam Wharton went close minutes later, driving a powerful effort over the bar. Nketiah then claimed for a penalty after bursting into the area, but the official dismissed the appeals.
The formerArsenal man didn't need to wait long to get his goal, tapping 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 two robust challenges on Yeremy Pino, before Chris Richards struck the woodwork with a header from a corner.
The match was effectively over eight minutes from half-time. Yeremy Pino meandered past some weak challenges before calmly dispatching a shot past keeper Wessel Speel to extend the lead to 3-0.
After the break, manager Oliver Glasner seized the opportunity to withdraw key individuals like Kamada and Wharton. Replacement Romain Esse came close to scoring with his very first touch, but saw his effort blocked.
Esse was incredibly unlucky later on, seeing one attempt strike off each posts before being clasped on the line. Uche then missed a sitter of a chance, indicating there is still room for development in his game.
The only concern for Palace was a late injury to Justin Devenny, who limped off. This allowed 17-year-old forward Benji Casey to make his senior debut, rounding off an otherwise positive evening for the visiting side.
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