The Everton manager made a poor double substitution on the hour mark.
Everton are out of the Capital One Cup after defeat to Manchester City in the semi-finals. Everton, leading 2-1 from the first-leg, were beaten 3-1 by City at The Etihad last night in controversial circumstances.
Raheem Sterling ran the ball out of play before cutting back for Kevin De Bruyne to score City's second of the game - before De Bruyne picked out Sergio Aguero for the winning third.
After the game Everton manager Roberto Martinez was right to be frustrated with that miss from the officials however, if he is looking for someone to blame, he should look closer to home.
With the game at 1-1 and the tie still in Everton's hands he made a double substitution that made no sense.
He took off Gerard Deulofeu and Leon Osman for Arouna Kone and James McCarthy.
Firstly, if McCarthy is fit enough for 30 minutes and potentially extra-time - why wasn't the Irishman starting. The same could be said for Seamus Coleman, who came on for John Stones in the 77th minute.
But it was taking off Deulofeu that was the most frustrating.
The Spanish winger was Everton's main attacking threat and outlet out wide throughout the fixture. His pace and control was giving Gael Clichy trouble all game but when Kone came on the Everton shape became narrow - and Stones was left exposed out wide.
It was a poor decision to make these changes on the hour mark and it was no coincidence that City had taken an aggregate lead within 16 minutes.