Jimmy Hayes had an MCL strain at the end of the 2015-16 campaign.
Jimmy Hayes didn't participate in Wednesday's practice.
Jimmy Hayes fought Brad Malone during Tuesday's 2-1 shootout loss to Carolina.
The Boston Bruins have announced that Jimmy Hayes will not dress for Sunday's game against Chicago.
Jimmy Hayes was made a late scratch for Friday's match with the Blues.
Coach Claude Julien will forego any lineup changes for Saturday's match with LA.
Jimmy Hayes will be scratched along with Joe Morrow and Zach Trotman against the Ducks on Friday.
Jimmy Hayes hasn't registered a point in the last 10 games.
Jimmy Hayes netted his 13th goal of the year in a 5-1 win against Pittsburgh on Wednesday.
Jimmy Hayes registered two points in a 6-2 win over Winnipeg on Thursday.
Jimmy Hayes has netted one goal in his past 12 contests.
Jimmy Hayes has been moved up to the top line with Patrice Bergeron and Brad Marchand.
Jimmy Hayes scored Boston's lone goal in the Bruins' 2-1 loss to the Rangers in New York Monday night.
Bruins forward Jimmy Hayes recorded his first career NHL hat-trick in a 7-3 win over the Senators on Tuesday.