Karnataka humbled Mumbai by seven wickets as R Samarth scored an unbeaten 96 in an Elite Group ‘B’ match of the Vijay Hazare Trophy here on Saturday.

Defending champions Mumbai managed to post 208-9 in the allotted 50 overs. Opener Yashasvi Jaiswal and wicketkeeper-batsman Hardik Tamore scored 61 and an unbeaten 46 respectively.