Frank McAvennie cannot believe Armstrong Okoflex was wearing AirPods just moments before he made his Celtic debut.

The Parkhead legend, speaking exclusively to Football Insider, claimed it was an “embarrassing” incident on what was a “shambolic night from start to finish” for the Hoops.

Okoflex, 18, was pictured wearing Apple AirPods as he was getting stripped and briefed to come on for his senior debut against Hibernian last night.

Gavin Strachan, who was acting manager at Celtic Park on Monday night in the absence of the self-isolating Neil Lennon and John Kennedy, later revealed that the teenager was speaking to Lennon through the earphones.

The young winger was given his chance after 14 senior players were forced to self-isolate when Christopher Jullien tested positive for Covid-19 upon his return from a mid-season trip to Dubai.

When asked by Football Insider for his thoughts on the Okoflex’s introduction, McAvennie said: “It is just ridiculous and now it is all over Twitter and social media.

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“Are you having a laugh? The game is on, Strachan is talking to him while he’s getting ready and he has got his earphones on. Embarrassing.

“Last night was shambolic from start to finish. Absolutely terrible. Things just go from bad to worse.

“I didn’t know if he could be on the phone to Neil Lennon. I thought Strachan was making all the substitutions last night on his own.” 

Speaking to Sky Sports after the game, Strachan said: “We were just getting some messages to him before he came on the pitch. Everyone uses every bit of technology available to them and that is what we had available and we used it.

“It is good for a young player to hear the managers voice as well when he goes on the pitch.”

In other news, Celtic have been handed a huge triple transfer boost after club-record offer.