3 questions facing Blue Jays before opener

Blue Jays' booth on Travis DUNEDIN, Fla. -- The Blue Jays officially wrapped up their Grapefruit League on Sunday afternoon, but there are still a few pressing questions that have to be answered before Opening Day.

Toronto manager John Gibbons declined to announce his 25-man roster before his team left for an exhibition series against the Cardinals in Montreal. The final moves likely won't take place until the conclusion of that two-game set on Tuesday night.

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The Blue Jays officially open the regular season on Thursday afternoon against the Yankees, with lefty J.A. Happ taking on right-hander Luis Severino. Here's a closer look at the three questions still surrounding…