"His pain tolerance is really high. He's pushing it and doesn't want it to be week-to-week," head coach Jim Montgomery said after practice. "We’re just monitoring it right now. It was his first day on the ice and we’ll see how he feels tomorrow. There’s a little bit of hope that he can be back sooner than week-to-week."
Hall was injured in Boston's pre-season game against the Philadelphia Flyers, playing on a line with David Krejci and David Pastrnak. Pavel Zacha would slot into his place in the team's top six with Hall sidelined.
The 30-year-old had 20 goals and 61 points in 81 games last season and is entering the second season of a four-year, $24 million contract.
The Bruins take on the Washington Capitals to begin the regular season on Wednesday, Oct. 12.