Complex sentence: The senior men have played in 15 Grand Finals, winning seven of them and so claiming premierships in 1990,1992,1995,1997,1999,2003 and 2010.
Split into simpler sentences: The senior men have played in 15 Grand Finals, winning seven of them. They won the premierships in 1990,1992,1995,1997,1999,2003 and 2010.