Chelsea star Eden Hazard and Liverpool striker Christian Benteke were slammed by Belgium coach Marc Wilmots for their poor performances against Cyrus.
Belgium won the game 1-0 thanks a late goal from Hazard, but Wilmots insisted the winger was lucky to still be on the pitch when he scored.
"Hazard was the worst. I thought about substituting him, but in the last 10 minutes he always has the ability to do that," Wilmots said, as quoted by Sky Sports.
"At the World Cup, this was the case. I obviously expect more from him, but he will grow as the season progresses.
"We won two games in a row but this is the poorest team performance I have seen and we will try to rectify the issue."
Wilmots substituted Benteke at half-time and called the Liverpool striker’s 45 minutes a "half-performance", but was glad the team came away with the three points.
"Both sides missed chances. But we believed until the end that we would score and managed to get the result we needed," the coach added.
"The contribution of (Divock) Origi and (Dries) Mertens in the second half was important, because I wanted quick combinations. As a result, in the last half hour we were often dangerous."
Belgium currently sit in second spot in their 2016 Euro qualifying group with 17 points, just one behind leaders Wales, with two games to go.
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