The footballer's sister made a harsh post on TikTok due to his game on the bench.

The sister of the Birmingham City defender became popular on social media

According to The Sun: The defender of Birmingham City, Eiran Cashin, gained unprecedented popularity on social media this week - but not due to his performance on the field.

The 23-year-old center back remained on the bench during the match between Birmingham and Oxford United.

TIKTOK / NIAMHCASHINN TIKTOK / NIAMHCASHINN

He became a star thanks to his sister, who filmed a video of him warming up during the match, accompanied by a witty caption.

“I came to watch my brother’s match, only to find out he’s watching it too.”

Football fans quickly reacted to this video, causing a storm of reactions on social media.

One commentator joked: “Brother is warming up like he’s about to join the UFC.”

Another noted: “Looks like he’s the youngest in the family. No one is safe from sister's words.”

The third was more supportive, writing: “It’s a long season, and Eiran will definitely play a lot of matches.”

The humorous dynamic between Cashin and his sister became an additional source of enjoyment for fans.

One user summed up: “Honestly, this is what brotherhood is.”

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Another user made a joke: “You train your whole life to become a professional athlete, while your sister still mocks you in front of thousands.”

Despite the jokes, many Birmingham City fans appreciated both the humor and the player himself.

Cashin's move to Birmingham City

Eiran joined the club on loan from Brighton & Hove Albion this summer.

He played only one minute in the league, although he was on the pitch for all 90 minutes in EFL Cup matches against Sheffield United and Port Vale.

Birmingham returned to the second division after a one-season absence, winning the title in League One last season with a record number of points.

Reuters The mass reaction to Cashin's sister's video shows how often sporting events become epic moments not just for the players but for their families and fans as well. The good humor and brotherhood highlighted in this story emphasize that football is not just a game, but a part of life filled with emotions and surprises.