Chelsea may be the clear favourites for their Carabao Cup semi-final clash, but with Middlesbrough around that doesn't mean much.
In February 2006, Jose Mourinho suffered the worst defeat of his Blues' reign to that point when thrashed 3-0 by the Teessiders.
Having taken charge in 2004, Mourinho had led Chelsea to the title in his first season with the Blues conceding just 15 goals all season. They seemed unstoppable.
Chelsea's XI that day included John Terry and Frank Lampard, as well as Arjen Robben, Hernan Crespo and Michael Essien.
They still won the league, but Mourinho had to sit through what was the joint heaviest defeat of his career to that point.
For Middlesbrough, things were far from rosy with manager Steve McClaren having an angry fan’s season ticket thrown at him during a 4-0 defeat to Aston Villa, four days earlier.
But goals from Fabio Rochemback, Stewart Downing and Yakubu Aiyegbeni completed a more-than deserved win.
Here’s the Middlesbrough XI from that day — many of whom also played in a 4-1 hammering of Man United that ended the career of Roy Keane, who savaged his teammates in an in-house interview.
The goalkeeper was part of the furniture in the Premier League and spent 11 seasons with Middlesbrough before spending five years with Fulham.
Schwarzer enjoyed two years as a backup goalkeeper with Chelsea between 2013 and 2015 and won 109 caps as Australia’s number one, representing them in the 2006 and 2010 World Cups.
An academy graduate, Parnaby was drafted in as a replacement for Abel Xavier who was serving a ban for failing a drugs test.
A right-back who could play centrally or in midfield, Parnaby made four appearances for England under-21 before injuries stopped him from fulfilling his potential.
An
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