Complex sentence: Gardiner started the 2011--12 season with the Leafs, scoring his first career NHL goal on January 24,2012, against Al Montoya of the New York Islanders.
Split into simpler sentences: Gardiner started the 2011--12 NHL season with the Leafs. He scored his first NHL goal on January 24,2012 against Al Montoya of the New York Islanders.