Roma have been confined to training camp for Wednesday's match against Sampdoria after losing their fifth game in eight to remain on seven points, ten behind leaders Inter.
Asked if he thought his job was at risk, coach Luciano Spalletti replied: ''At this point, yes''.
''It's my fault, of course, but things are going to have to change around here,'' the coach said after a 3-1 defeat at Udinese left last year's runners-up in 14th place.
Inter coach Jose' Mourinho was no happier after his side's lacklustre goalless home draw against a ten-man Genoa.
''Some players aren't doing what I tell them to do,'' he said, threatening to ''leave at least three behind'' for Wednesday's visit to buoyant Fiorentina.
Inter have been joined at the top by Udinese and Napoli which beat Lazio 1-0 at the Olimpico.
Milan won 1-0 at Atalanta to join Fiorentina (3-1 winners at Palermo) in joint second, a point behind the three leaders.
With Juventus in 11th on 12 points after winning the Turin derby 1-0, the top 11 in Serie A are separated by five points.
