Even though embarking on their maiden European adventure, Oliver Glasner's side are learning at a rapid pace. Missing key figures like forward Jean-Philippe Mateta and defender Daniel Muñoz, the London club left Dublin with a comfortable win that virtually guarantees them a spot in the Europa Conference League playoffs.
A further three points in their upcoming match against Finland's KuPS should be enough to secure straight entry to the knockout stages, especially following a previous stumble against Strasbourg.
This occasion offered a platform for several Palace's fringe players to impress. Christantus Uche, in only his second start after joining on loan from Getafe, opened the scoring with a clinical goal. Striker Eddie Nketiah contributed a second, finding the net for the second game in match.
A Shelbourne side that had finished their league season proved no match even for a mostly second-string Palace lineup. The Londoners were further weakened by the reports that Mateta and Muñoz are sidelined with leg problems.
Despite heavy rain in Dublin, Palace rapidly established dominance. A slick move in the 11th minute, sparked by Daichi Kamada's clever pass, allowed Nketiah to lay on Uche for a straightforward finish.
Youngster Adam Wharton came close soon after, fizzing a powerful shot over the bar. Nketiah subsequently claimed for a penalty after bursting into the box, but the official waved away the appeals.
The formerArsenal man did not have wait long to get his goal, prodding home from a yard out after Uche's effort had hit the post.
Shelbourne were hanging on desperately. Full-back Kameron Ledwidge was fortunate to escape a booking for two agricultural tackles 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 weaved past some comically weak challenges before calmly dispatching a shot past keeper Wessel Speel to make it 3-0.
Following the break, coach Oliver Glasner took the chance to rest several players like Kamada and Wharton. Replacement Romain Esse almost scoring with his first touch, but saw his shot blocked.
The youngster was incredibly unlucky later on, seeing one attempt strike off each posts before being gathered on the line. Uche then missed a glaring chance, indicating there is still scope for development in his game.
The only concern for Palace was a late knock to Justin Devenny, who was forced off. This allowed 17-year-old striker Benji Casey to make his senior debut, rounding off an otherwise perfect night for the visiting side.
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