leg of the scottish premiership play—off between dundee united and hamilton finished goalless at tannadicemy stadium, as manchester city hosted chelsea in the women's super league spring series. a toni duggan goal gave city a 1—0 win, a result which moves them into second place in the table, just a point behind leaders liverpool. formula 1 championship leader, sebastian vettel, was fastest in second practice ahead of this weekend's monaco grand prix. lewis hamilton was quickest in the first session, but slipped down to eighth. on his return to the sport, forjust one race, the 2009 world champion, jenson button, was 12th—fastest. button is standing in for fernando alonso at mclaren this weekend. the spaniard is driving in the indianapolis 500. england all—rounder ben stokes is a doubt for the second one—day international against south africa tomorrow. stokes injured his knee in the victory in the first match of the three—game series earlier this week, and had to leave the field for treatment. he was due to have a scan last night, which should reveal the extent of the injury. in super league