Perhaps they were reminiscing over whose last-minute winner against Liverpool was better.
Manchester United legend Rio Ferdinand joined interim manager Ole Gunnar Solskjaer as he took training ahead of Sunday's crunch clash with their bitterest rivals.
Solskjaer famously scored a stoppage time winner as United beat Liverpool 2-1 in the FA Cup fourth round en route to their historic Treble success in 1999.
Nothing to see here: just two #MUFC legends who both scored famous winners against Liverpool.