"Let's say that during the short period when I was not playing, I was like a little caged lion who has not fed for a while," he told L'Equipe.
"(Like a caged lion) when you open the door, he charges."
Sakho's aggression was evident in Sunday's Merseyside derby with the former Paris St Germain man getting into scuffles with Everton's Steven Naismith and Romelu Lukaku.
He was shown a yellow card in added time for his spat with Lukaku, in what was to become Rodgers' last game in charge of Liverpool.
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Five-times European champions Liverpool languish in 10th place in the Premier League table with 12 points from eight games.
(Reporting by Shravanth Vijayakumar in Bengaluru; editing by Amlan Chakraborty)
