Jansen's exit from Wednesday's game against the Red Sox was due to right hamstring tightness, Mitch Bannon of SI.com reports.

Manager Charlie Montoyo said the team will reevaluate Jansen, who recently spent time on the injured list with a strain to the same hamstring, on Thursday. The skipper also suggested the possibility of Alejandro Kirk joining the Blue Jays if Jansen faces a considerable absence.

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