Complex sentence: He fell back to "jūryō" after a 4-11 score in his "makuuchi" debut but returned to the top division in November 1993, where he was to remain for the rest of his career.
Split into simpler sentences: He fell back to "jūryō" after a 4-11 score in his "makuuchi" debut. However, he returned to the top division in November 1993, where he was to remain for the rest of his career.