Southampton manager Russell Martin has shared his assessment of the Championship promotion race involving his side, Leeds United, Leicester City and Ipswich Town. The Saints extended their unbeaten run to 21 Championship matches at Rotherham United on Saturday to finally climb into the top two, ahead of Leeds and Ipswich. Ipswich had been occupying an automatic promotion spot alongside Leicester for pretty much the entire season, but a run of just one win in eight matches has moved both Leeds and Southampton very much back into the hunt. Leeds have never been worried about the gap. It is likel…