Mauricio Pochettino kick-started his Chelsea reign with a 5-0 win over Wrexham in front of a sell out crowd in Chapel Hill, North Carolina.
Wrexham mania took over The University of Carolina but the League Two outfit were, as expected, dominated by the Premier League giants.
It's very early days for both sides and Pochettino is definitely getting used to his new team amid the summer rebuild.
The four matches to come as part of Chelsea's pre-season US tour will also prove bigger tests.
Here, Mail Sport takes a look at five things we learned from Chelsea's pre-season opener.