When Rebecca talks about bartending at the private club, the club she's referring to is Bones & Honey, originally introduced to audiences in the second season.
Dani Rojas (played by Cristo Fernandez) says "I scored with my face!", after scoring a goal. This reflects an interesting goal scored by Javier Hernandez AKA Chicharito. Chicharito also scored an unusual, face goal, against Chelsea during the 2010 season. The similarities don't end there, as Dani Rojas and Chicharito both are Mexican, known to be very positive/eccentric, wear number 14, and are forwards.
At 4.25 Higgins talks of United. Although many English teams use the name United, it football circles it is generally thought that someone would be talking about Manchester United.
At 28.10 Richmond players are seen in an away strip for the first time. This is most likely to do with their home kit being predominantly blue like Chelsea 's but equally likely to do with the show's product placement deal with Nike.