Complex sentence: In 26 November 1969, he scored the third goal against Celtic in the second round of the 1969--70 European Cup, with 3-3 on aggregate, Celtic passed on Coin toss.
Split into simpler sentences: In 26 November 1969, he scored the third goal against Celtic in a second round game of the 1969--70 European Cup. After a final 3-3 on aggregate, Celtic passed on coin toss.