Complex sentence: Of note, in the latter half of the 2000s, Gallay wrote sports columns for the Toronto Raptors and Toronto Maple Leafs, one of his basketball columns being the first citation on the Wikipedia entry for Chris Bosh.
Split into simpler sentences: Of note, in the mid- 2000s, Gallay wrote sports columns, many for the Toronto Raptors and Toronto Maple Leafs. One of his basketball columns is the first citation on the Wikipedia entry for Chris Bosh.