Johnnie Jackson wants to add taller players to Charlton's squad in the summer transfer window: https://londonnewsonline.co.uk/charlton-athletic-set-to-target-adding-more-physical-presence-in-summer-transfer-window/
He thinks that Charlton are missing the aerial ability of Jayden Stockley and Chuks Aneke. Doubtless so, but the article does point out that all Oxford's goals on Saturday were scored from low strikes.
Meanwhile, perhaps some of the team could be put on stilts? Many fans would accept short players who put in a shift.
Jacko thinks that Sean Clare was a 'little unlucky' to be sent off on Saturday, but accepts that the red card can't be appealed: https://londonnewsonline.co.uk/charlton-boss-gives-his-verdict-on-sean-clares-red-card-against-oxford-united/