Perhaps Finn Russell finally with a strategy backing left-winger (9)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

Final letter of [russel] L + A PLAN (a strategy), then RED (slang for communist = left-winger) reversed (backing). For the surface, Finn Russell plays rugby for Bath and Scotland. The region of Lapland covers parts of both Finland and Sweden, hence “perhaps”.