Rafael Benitez insists the heated half-time clash between Frank Lampard and David Luiz during Chelsea's Europa League defeat to Rubin Kazan on Thursday is a positive sign for the Blues.
Lampard and Luiz were involved in a passionate exchange as they walked off after the first period at the Luzhniki Stadium, and had to be separated by teammates Yossi Benayoun and Petr Cech as tempers flared.
The 34-year-old Chelsea midfielder was seen to repeatedly jab his finger in the direction of Luiz, despite the Blues ahead 1-0 after 45 minutes, and the Brazilian took exception to actions of his colleague.
Benitez, however, claims arguments between his players is not such a bad thing and has urged his Chelsea squad to continue expressing themselves and highlight to the management where adjustments can be made.
"It's always good to have players arguing about things that happen on the pitch so you can correct these things at half-time," the Chelsea interim boss said after the game. "We were talking about that, adjusting positions, so it's fine. Not a problem."
Chelsea lost 3-2 on the night in Moscow, but progressed into the semi-final of the competition 5-4 on aggregate, leaving them as the sole remaining English team in Europe after Tottenham and Newcastle failed to win their ties.
Fernando Torres gave Chelsea an early lead against Rubin, before Ivan Marcano gave the hosts some hope, but Victor Moses reinforced the Blues' position in the tie with a second goal.
Gokdeniz Karadeniz and Bebras Natcho both struck in the second-half to ensure Rubin won on the night, but the damage had already been done and Chelsea moved into the last four.
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