Penguins defenceman Ryan Whitney undergoes left wrist surgery

The 24-year-old Whitney needs six to eight weeks of rehabilitation, but is expected to be ready for the start of training camp in September. Whitney tied for sixth in scoring among NHL defencemen with 59 points (14 goals, 45 assists) in 81 games.

READ ALSO:  Maple Leafs sign Marlies captain Smith, third round pick Valiev