USC transfer portal: Where needs have been met and where work needs to be done on defenseby:Erik McKinney•about 11 hours•ErikTMcKinneyRead In AppUSC defensive coordinator D'Anton Lynn reacts on the sideline during a game against the UCLA Bruins (acscottphotography/WeAreSC)USC has added a number of players on defense via the transfer portal. How have the Trojans met their needs and where does more work need to be done?