Jamie Reid's penalty sent Stevenage top of League One after they ground out victory against Peterborough at the Weston Homes Stadium, winning 1-0.
The Boro had not won in their previous four league games but leapfrogged five teams in the table to go one point clear at the summit, inflicting Posh's first defeat under Luke Williams.
A Scrappy First Half Settled From the Spot
The first half was a scrappy affair, although Dan Kemp threatened early on for Stevenage with a low effort that was held by Peterborough goalkeeper Alex Bass.