 After an injury blighted the start to his season, Porter scored his first goal of the campaign on 21 November in a 4–1 defeat by Millwall after coming on as a half-time substitute for Marvin Sordell.With the club struggling in League One, on 19 February U's manager Kevin Keen decided to hand the club captaincy to Owen Garvan "for the foreseeable future" and to "take a little of the responsibility off him [Porter]".The following day, Porter scored his first goal in over a month with the opener against Bury as the U's fell to a 5–2 defeat.