Betting has been suspended on former Sunderland manager Roy Keane taking charge at Scottish giants Celtic.
Officials at BoyleSports say they have been "flooded with bets" on the Republic of Ireland assistant manager taking charge.
Having been supported into 4/1 from 8/1 on Monday, the demand continued for Keane - who has also previously managed Ipswich Town - on Tuesday morning and after a substantial flurry of bets on the Cork native, the market was suspended at lunchtime.
Liam Glynn, BoyleSports’ spokesperson said: "We have had to suspend betting on the next Celtic manager after an avalanche of support for Roy Keane over the past 24-hours.
"We couldn’t lay a single cent on original favourite Martin O’Neill over the past 48 hours.
"It’s all been about Roy Keane and it has gave our traders no other choice but to suspend the market as it now looks like that Roy Keane has been in talks with the Celtic management and things have gone smoothly so far."