Yanks' Aaron Boone concerned about impact of Canadian COVID rules

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New York Yankees manager Aaron Boone is concerned about the roster impact stemming from rules that Major League Baseball players who aren't vaccinated against the coronavirus won’t be allowed to travel into Canada to face the Blue Jays in Toronto.

Canada’s government requires a person must have received a second vaccine dose — or one dose of Johnson & Johnson — at least 14 days prior to entry.

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"It will be interesting, to say the least how that situations unfolds," Boone said Sunday. "I think we still have a few guys at least that aren't vaccinated, so we'll be monitoring that situation closely and see how that plays out. But yeah, it's an concern."

The Yankees make their first trip to Toronto for a three-game series that begins May 2 against their AL East rivals.

"The parties have agreed that any player who, as a result of such a governmental regulation is unable or ineligible to play in a championship season game (or games) due to his vaccination status will be ineligible for placement on the COVID-19 IL, but rather may be placed on the restricted list ... without pay or the accrual of credited major league service, during such period of unavailability," according to a letter from players' union deputy general counsel Matt Nussbaum to MLB senior vice president Patrick Houlihan, a copy of which was obtained by The Associated Press last week.

New York Yankees manager Aaron Boone speaks during a news conference before the start of spring training baseball Wednesday, Feb. 12, 2020, in Tampa, Fla. (AP Photo/Frank Franklin II)

The letter says the agreement covering unvaccinated players and