Complex sentence: He has three sons, in order of birth, Michael and Matthew, who played professional lacrosse for the Toronto Rock of the NLL, while the youngest, Marcus Carroll, currently plays professional ice hockey with the Utah Grizzlies of the ECHL.
Split into simpler sentences: He has three sons, in order of birth Michael, Matthew, who played professional lacrosse for the Toronto Rock of the NLL. The youngest, Marcus Carroll, currently plays for the Utah Grizzlies of the ECHL.