punch above your weight
US /pʌntʃ əˈbʌv jʊər weɪt/
UK /pʌntʃ əˈbʌv jʊər weɪt/
1.
to perform or compete at a level that is higher than one's apparent capabilities or resources
:
•
Despite being a small company, they managed to punch above their weight and win the big contract.
•
The new player is really punching above his weight, scoring goals against top defenders.