Bulgaria’s last seven games have averaged just 0.86 goals per game.
Northern Ireland have seen under 2.5 goals land in eight of their last ten matches.
Bulgaria have played out three goalless draws in their last five matches.
Goals in short supply in Belfast
Both Northern Ireland and Bulgaria played out goalless draws on Saturday and a similar outcome is expected when they meet in Belfast on Tuesday.
Nothern Ireland have seen just three goals scored in their three UEFA Nations League matches and under 2.5 goals has landed in eight of their last ten outings in all competitions.
Bulgaria, who are still unbeaten this campaign, have taken it a step further than Michael O’Neill’s side, seeing just a single goal across their three games.
Each of their last seven matches have featured fewer than three goals, with an average of 0.86 goals per game scored across this period, making under 2.5 goals and a fourth goalless draw in six games for Bulgaria look a good combination of bets.
