Hockey Night in Canada play-by-play man Jim Hughson says the Toronto Maple Leafs and Ottawa Senators are mirror images of each other.

Hughson analyzes what makes both Ontario teams so enigmatic when it comes to either surging up the standings or scuffling in the middle of the pack, including their dependence on their top lines and expecting more from their respective No. 19s.

Watch the Toronto Maple Leafs host the Ottawa Senators on Hockey Night in Canada on Saturday night (CBC,, 6:30 p.m. ET).