GALLERY: The boys are back!

2012/13 Hyundai A-League Champions the Central Coast Mariners returned to training on Monday morning following a five-week break.

2012/13 Hyundai A-League Champions the Central Coast Mariners returned to training on Monday morning following a five-week break.

The Club's Head of Sports Science, Andrew Clark, put the team through a series of tests to gauge the players' fitness levels upon their return.

Some fresh faces will link with the squad over the next few weeks as Graham Arnold's men continue their preparations for Hyundai A-League season nine.