Lazio’s Patric was shipped for biting late in a reduction at Lecce that dealt a huge blow to their title hopes.
Defender Patric has been shown a straight red card for biting Lecce’s Giulio Donati on the arm at injury time.
Felipe Caicedo had scored a fifth-minute opener for the people but Khouma Babacar led in Filippo Falco’s cross to par 30 minutes.
Struggling Lecce finished the turnaround following half-time( as guardian Fabio Lucioni headed in from a corner.
Simone Inzaghi’s Lazio stay seven points behind leaders Juventus, who perform AC Milan in the future Tuesday (20:45 BST).
A disappointing day for Lazio was further soured by Patric’s indefensible snack on Donati, identified clearly by a movie assistant referee review.
As that the Lecce shield ordered his team-mates to shield a set-piece with outstretched arms, Patric lent from behind and little Donati just over the elbow,
The hosts had reacted well to their ancient set-back, using also observed Marco Mancuso’s third-minute goal disallowed by VAR because of a handball at the build-up.
Mancuso then blazed a punishment on the bar at the conclusion of a lively first half, after the ball had hit Patric on the arm.
Serie A’s leading goalscorer Ciro Immobile has been denied in close range by Lecce goalkeeper Gabriel as Lazio endured a third defeat in five matches since the league resumed.