Leonardo Mayer proved a hero for Argentina as he won the decisive fifth rubber against Dan Evans to give the visitors a 3-2 win over GB in Glasgow to reach the Davis Cup final last weekend.
Here are other supporting cast players who have shone in recent years…
James Ward
Radek Stepanek
Fernando Verdasco
Facing Argentina in Argentina is always a monster challenge but that didn’t stop Verdasco from beating Jose Acasuso to seal a 3-1 final win for Spain in 2008.Viktor Troicki
After Novak Djokovic levelled the 2010 Davis Cup final at 2-2, Troicki was the one who sealed it for Serbia, beating Michael Llodra for a win over France.Mario Ancic
Aged 21, Ancic helped Croatia win a first Davis Cup title in 2005 by beating Michal Mertinak in a decisive fifth rubber for a 3-2 win over Slovakia in Bratislava.