Tackle with great speed finishes off uneven game for City (9)

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

MACH I (in aerodynamics, a speed equivalent to the speed of sound = great speed) + last letters (finishes) of [uneve] N [gam] E [fo] R [cit] Y . Tackle = mechanical equipment for lifting heavy weights.