Pittsburgh Penguins defenseman Olli Maatta is the third member of the team to be diagnosed with mumps. The Penguins issued a statement saying he tested positive for the virus and remains in isolation. Teammates Sidney Crosby and Beau Bennett were diagnosed with mumps in the last week.

In other hockey news:

— Defenseman Robyn Regehr (reh-GEER') was placed on injured reserve by the Los Angeles Kings with an upper-body injury that is expected to sideline him at least two weeks.

— Gordie Howe's family says the hockey great has made a "miraculous" improvement after he participated in a stem cell clinical trial. The 86-year-old Howe had a serious stroke in late October, but his family says his physical therapists have been "astonished" by his progress after undergoing a two-day, non-surgical stem cell treatment protocol.

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