Millwall boss Alex Neil urges the club's new signings and to train hard and make an impact on the pitch to stake their claim for a place.
Josh Coburn saw his spot-kick saved but then netted in the fifth minute of eight added on to snatch a 1-0 win.
Chanting was allegedly heard referencing the fatal stabbings of Leeds fans Chris Loftus and Kevin Speight in Istanbul in 2000.