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moved up to fourth place in the SPL after a 2-0 Tayside derby victory over 10-man
at McDiarmid Park.
Scott Robertson scored after 32 minutes and John Rankin sealed the points with a second goal in second-half stoppage time. United leapfrog their hosts to move within three points of third-placed Motherwell, who meet Celtic on Sunday, with Champions League qualifiers at Tannadice next season being a realistic prospect.
Saints hit the post in the second minute through Cillian Sheridan, but their cause was hampered after 57 minutes when Francisco Sandaza was sent off after kicking out at Sean Dillon. The striker can expect a three-match ban, which will hinder the Perth side's quest for European football next season.
Third place should secure a place in the Champions League qualifying stages next term, as Rangers are excluded as a result of their administration, and United are in contention after victory in this first post-split fixture.
Saints had an off day and were second best before Sandaza was shown a straight red card by the referee Euan Norris ...