The veteran centre ran in two tries in the 46-16 victory at Headingley on Tuesday night.
While pleased with his own performance in such a milestone game, Senior believed it was essential that the Rhinos got back to winning ways after successive home defeats to Salford, Harlequins and St Helens.
Senior, who is one of only five players to have figured in every season of Super League, now wants the Rhinos to build on the victory and go on a winning run.
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