Alessandro Florenzi is set to miss Roma’s Serie A clash with Napoli on March 31 with a calf injury.
Florenzi was released from Italy’s training camp on Friday morning, and Sky Sport Italia reports tests flagged up a problem in his left calf.
The broadcaster adds it is severe enough to rule him out of the Derby della Sole after the international break.
The right-sider is the second player to exit early after Federico Chiesa was sent back to Fiorentina on Thursday.
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