Umpires once failed to notice three 7-ball overs in an ODI
An ODI match, held on September 16, 1999, between West Indies and Pakistan in Toronto featured three overs that had seven legitimate deliveries. Steve Dunne and David Orchard, who were officiating the match, failed to spot the extra deliveries. Dunne overlooked two such overs, with two instances of the extra ball occurring while West Indies were bowling. 