In fact, every single acquisition so far this transfer window has been to improve the starting squad. (bracethehammer.sbnation.com)
After the super transfer is completed, the «Transfer pending» indicator will appear and this account will not be available for further transfers. (ato.gov.au)
However, more transfer activity is expected, particularly in terms of players heading out of the exit door which in turn will likely raise further transfer funds to strengthen the squad. (caughtoffside.com)