Complex sentence: Killebrew founded the Danny Thompson Memorial Golf Tournament in 1977 with former Idaho congressman Ralph Harding, which is played annually in late August in Sun Valley, Idaho, and has donated more than $8.6 million to leukemia and cancer research.
Split into simpler sentences: Killebrew founded the Danny Thompson Memorial Golf Tournament in 1977 with former Idaho congressman Ralph Harding. Played annually in late August in Sun Valley, Idaho, it has donated more than $8.6 million to leukemia and cancer research.