North Melbourne coach Alastair Clarkson was a surprise onlooker at Collingwood training on Monday.
The four-time premiership coach was spotted on the sidelines chatting to Magpies coach Craig McRae, who was a former assistant to Clarkson at Hawthorn.
WATCH THE VIDEO ABOVE: Clarko rides into enemy territory.
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He also had a quick chat to new Magpie Tom Mitchell, who won a Brownlow Medal under Clarkson at the Hawks.
The new coach of the Kangaroos, who is known for sending out spies to watch rival clubs, then departed the enemy territory on his bike.
The 54-year-old is still under investigation for his alleged part in the Hawthorn racism scandal during his time at the club.
On a warm Melbourne day, Collingwood described the pre-season training run as an ‘absolute sweat sesh’.
Jordan De Goey was restricted to bike riding as he continues his recovery from a shoulder cleanout.
While Darcy Moore stunned his teammates with the scars of his recent surgery.
The star defender spent time in hospital with a bone infection that will see him off the training track until January.
Moore is leading candidate to replace Scott Pendlebury as captain after the Magpies great stepped down from the role last week.
Another contender in Brayden Maynard ramped up his recover from a post-season shoulder operation.
The tough defender ticked off tackling practice in a bid to join full training in the new year.
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