They applied themselves pretty well against strong opponents, but it finished 2-0 to promotion-chasing Luton Town at the Weston Homes Stadium.
There were still a handful of decent individual displays including from a couple of youngsters.
RATINGS KEY: 10-Out of this World, 9-Outstanding, 8-Very Good, 7-Good, 6-Okay, 5-Poor, 4-Stinker.
1. ALEX BASS
A quiet game despite conceding twice. No real alarms - 6. Photo: DAVID LOWNDES
2. CARL JOHNSTON
A tough afternoon against Kasey Palmer, one of the best players in the division, for the right-back. Withdrawn on the hour - 5. Photo: Joe Dent
3. HARLEY MILLS
A solid game which included a couple of fine crosses. Surprised to see him go off when Posh still had a chance - 7. Photo: s
4. LUCCA MENDONCA
Another fine display from the young centre-back. Didn't take a backwards step - 7. Photo: Leila Coker