Complex sentence: The recently created club played its first match thanks to the efforts of Mr. Mulhall, who searched for rivals at the port zone, arranged a match with the crew of an English ship, playing it on May 1890.
Split into simpler sentences: The recently created club played its first match thanks to the efforts of Mr. Mulhall, who searched for rivals at the port zone. He arranged a match with the crew of an English ship, playing it on May 1890.