Match video: Arsenal v Southampton

In the nick of time! Santi Cazorla’s dramatic penalty in second-half stoppage time secured a 2-1 victory against Southampton on Saturday, as new boys Lucas and Shkodran Mustafi made their debuts.

We’ve got a series of highlights packages from the game, including an extended edit above and a short two-minute clip below.

• Watch Koscielny's brilliant overhead kick
• See Cech's crucial save from Long 
• Watch Giroud win Arsenal's deciding penalty 
• See Santi win it at the death 

You can watch both the first and the second half in their entirety too

• First-half highlights 
• Second-half highlights