TSN Maple Leafs and Tennis reporter Mark Masters joins us to chat about Canadians going 1-4 in the first round of the US Open, Andreescu not being able to get passed Paolini, Diallo being the lone Canadian survivor, his excitement around Easton Cowan and more!

Masters on Canadians going 1-4 in round 1 of the US Open, Diallo being the lone survivor & why Easton Cowan is the main storyline going into camp

Join Toronto's top new pair in the mornings on First Up with Korolnek and Colaiacovo, weekdays from 6-10am.

Born and bred in the city, former Maple Leaf Carlo Colaiacovo, who with his 14 years experience in the NHL, brings you inside the locker room like very few can.

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Join Toronto's top new pair in the mornings on First Up with Korolnek and Colaiacovo, weekdays from 6-10am. Born and bred in the city, former Maple Leaf Carlo Colaiacovo, who with his 14 years experience in the NHL, brings you inside the locker room like very few can.

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Masters on Canadians going 1-4 in round 1 of the US Open, Diallo being the lone survivor & why Easton Cowan is the main storyline going into camp

Masters on Canadians going 1-4 in round 1 of the US Open, Diallo being the lone survivor & why Easton Cowan is the main storyline going into camp