Jack Higginson scored a try as Workington kept Oxford scoreless in the second-half to run out 20-6 at Tilsley Park on Sunday afternoon.
The young centre crossed just two minutes into the second half to give Town the lead having been all square, 6-6 at the break.
Macauley Davies also played at second-row for the Dave Clark’s side who move up to ninth after recording their first league win of 2017.
Elsewhere no Wigan players featured for dual-reg club Swinton in the Championship as the Lions went down to defeat 36-28 to Toulouse.
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