Phil Mickelson faces an indefinite period on the sidelines after undergoing a second hernia operation in the space of two months, his management company has confirmed.

A statement from Lagadere Sports late Monday said the 46-year-old five-time Major winner was expected to make a full recovery from the surgery.

The operation will not prevent him from serving as a tournament ambassador at the CareerBuilder Challenge in La Quinta, California from January 19-22.

Mickelson underwent a hernia operation in October, three days after his eighth place finish in the Safeway Open.

The left-hander is a 42-time winner on the PGA Tour but has

Mickelson, currently 19th in the World Golf Rankings, is a five-time major tournament champion and 42-time winner on the PGA Tour.

The famed left-hander's last win came at the 2013 Open Championship at Muirfield.