Complex sentence: Arcabello joined the Maple Leafs for the first few games of the 2015--16 season, but after failing to record any points, he cleared waivers and was was assigned to their minor league affiliate, the Toronto Marlies.
Split into simpler sentences: Arcabello joined the Maple Leafs for the first few games of the season, but after failing to record any points, he was placed on waivers. Upon clearing, Arcobello was assigned to the Leafs' minor league affiliate, the Toronto Marlies.