‘The Angola native will have a chance to earn a spot with the big club, but he’ll have to really wow General Manager Tim Murray and coach Dan Bylsma. The Sabres have a crowded bottom six, with Brian Gionta, Nicolas Deslauriers, Marcus Foligno, Johan Larsson, Cody McCormick, David Legwand and Jamie McGinn among those competing for playing time. Barring trades or a stellar showing by Kaleta, there isn’t room for another NHL contract.’