THE big games keep coming for Oxford United, with Sky Bet League One leaders Peterborough United visiting the Kassam Stadium tomorrow night.

Play-off chasing Charlton Athletic also travel to Oxfordshire this week - but it comes as injury concerns start to hit the U's.

Oxford Mail sports reporter James Roberts looks at some of the key talking points heading into both games and assesses the impact of United's fitness issues.

Read also: Two Oxford United injury concerns for Peterborough clash

Read also: Karl Robinson calls for more from Dan Agyei

Is either game this week a must-win? Tell us below.