Suarez was handed an eight-match ban and fined £40,000 before his Liverpool team-mates including Carragher backed the Uruguayan by wearing the 'Suarez 7' T-shirts in a warm-up at Wigan.
Carragher and Evra were both pundits on Sky's Monday Night Football and the former Liverpool centre-back admitted: “Apologies. There is no doubt we made a massive mistake. That was obvious. As a club we got it massively wrong.
“I didn't have enough courage to say I'm not wearing it."