Peg back
Definition 1 of 2
Pro Tip 1/3Sports Usage
Commonly used in sports to describe catching up with an opponent or team. 
They were trailing by two goals, but they pegged back to a draw.
Pro Tip 2/3Competitive Edge
Implies making a competition tighter by closing the gap. 
Despite their initial success, the other teams are pegging back.
Pro Tip 3/3Metaphoric Visual
Envision literally pulling something back to a nearer point. 
His rivals worked hard to peg back his lead in the polls.