Jamie Shackleton and Callum Styles were largely recruited for their versatility.

Source: https://southwarknews.co.uk/sport/football/millwall/news-at-den-plus/millwall-address-key-position-with-loan-deal-but-what-else-do-they-need-before-the-window-shuts/

Of course, deadline day business can work very well for some teams, and Millwall benefited late on in the transfer window over the summer when they signed Callum Styles.

Source: https://southwarknews.co.uk/sport/news-at-den/millwall-boss-keen-to-avoid-late-drama-as-deadline-day-approaches/

The 30-year-old finished ahead of Callum Styles and Shaun Hutchinson, who finished second and third respectively.

Source: https://southwarknews.co.uk/sport/news-at-den/ratings/newsatdens-january-player-of-the-month/