Adrian feels Liverpool displayed their true heart and character by securing a 2-0 victory away at Sheffield United on Sunday.
The Reds returned to winning ways in the Premier League after a testing run, earning a deserved set of three points at Bramall Lane with two second-half goals.
It was a result preceded by continued hard work behind the scenes as Jürgen Klopp's squad sought to put things right domestically.
"We have been working so hard," Adrian told Liverpoolfc.com. "The last few weeks we have had some bad results but the team were together.