Complex sentence: Owner Elwood Richard Quesada once wondered why he needed to pay players who didn't belong in the majors and later agreed to a 10-year lease at D.C. Stadium--a move that would come back to haunt the Senators.
Split into simpler sentences: Owner Elwood Richard Quesada once wondered why he should to pay his players because he believed they didn't belong in the majors. He later agreed to a 10-year lease at D.C. Stadium--a move that would come back to haunt the Senators.