Los Angeles Dodgers reliever Alex Vesia was not with the team in Toronto on Thursday, one day before Game 1 of the World Series, because of a “deeply personal family matter,” the Dodgers said in a statement posted on social media .

Manager Dave Roberts said the defending champions were still working through how the left-hander's absence would impact their World Series roster, which must be finalized Friday morning.

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Vesia went 4-2 with a 3.02 ERA in 68 regular-season games. He is 2-0 with a 3.86 ERA in seven postseason appearances.

“We’re in the mode of trying to understand the process, the rules, a way that we could sort of try to navigate the roster,” Roberts said before the Dodgers worked out at Rogers Centre.

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