Manchester United's decision to appeal Lisandro Martinez's controversial red card against Leeds United is facing heavy criticism before it even reaches the FA. Interim manager Michael Carrick, who labeled the sending-off "one of the worst I've ever seen," is pushing for the decision to be overturned, but a former top-flight official believes the appeal is doomed from the start.

The pivotal moment came just 11 minutes into the second half at Old Trafford, with United already trailing 2-0. During an aerial challenge, Martinez made contact with Dominic Calvert-Lewin's ponytail, an action referee Paul Tierney deemed a sending-off offense after a VAR review. The dismissal crushed any momentum for a United comeback, despite a late Casemiro header, and sealed a historic first home defeat to Leeds in 45 years.

Carrick's post-match fury was palpable, arguing the incident was a mere touch in a grappling contest, not an aggressive pull. However, former Premier League referee Peter Walton has bluntly advised Carrick he's "wasting his time." In a column for The Times, Walton explained that while hair-pulling wasn't a specifically defined offense during his career, leaving it to a referee's discretion, the modern interpretation by VAR officials like John Brooks is clearly different.

The stakes for United are incredibly high. If the appeal fails, Martinez will be suspended for a brutal run of Premier League fixtures against Chelsea, Brentford, and Liverpool, leaving a massive hole in a defense already under severe pressure. This brewing controversy over a split-second decision could have major consequences for United's season, highlighting the fine margins and intense scrutiny that define top-level football.