"To pack the midfield" means to have a higher number of players in the central area of the soccer field, usually in the midfield position, to exert more control over the game and prevent opponents from easily advancing. Full definition
I was thinking today how packed this midfield will be when ramsey returns. (justarsenal.com)
Given how Arsenal pack the midfield and look to pass it around, that could be a crucial factor for the champions. (latestchelseanews.com)
Possible Starting Lineups: Arsenal are likely to start with packed midfield where Ramsey, Ozil, Cazorla and Coquelin are expected to start with Giroud spearheading the attack after scoring 2 goals in the midweek against Liverpool. (totalsportek.com)