Gareth Whitehouse, 41, from Lee, Cardiff, has been charged with one count of a public order offence.
Officers intervened on Greyfriars Road after Whitehouse allegedly attempted to engage in disorder.
Lewis Campbell-Williams, 20, of Lenham Road, Headcorn, Kent, was also charged on April 19 with possession of a bladed article and theft from a shop after being arrested at the stadium.
Both have been released on bail and are due to appear separately at Reading Magistrates’ Court on June 3.
A 15-year-old boy from Reading and a 17-year-old boy from Croydon were arrested on suspicion of breaching a Section 34 dispersal order put in place for the match.
A child protection referral has been made and safeguarding measures are now in place.
During the operation, officers also arrested a 17-year-old boy from Reading in connection with an ongoing rape investigation unrelated to the football match.
He has since been released on police bail while enquiries continue.
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PC Steve Mountain, dedicated football officer for Reading FC, said: “We would like to thank members of the public for their cooperation while the Section 35 dispersal orders were in place.
“The dispersal orders were enacted as a preventative measure to help ensure the safety of fans and local communities in the area.
“Following Saturday afternoon’s fixture, officers made a number of arrests and charges.
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“This highlights the important role of dedicated football policing operations, including the work of trained football spotters, who help identify individuals of concern and support a safe and enjoyable environment for the vast majority of supporters.”