For the second week in a row it has cost them a win, going down by one point to Katamatite, just one week on from another one-point loss against Picola United.
Holding a nine point lead at three-quarter-time, the Roos allowed the Tigers to kick the last term’s only two majors to steal the win.
Katamatite kicked 11.3 for the day, with just 14 scoring shots compared with the Rovers’ 23, which was enough to get the points.
Chris McKay and Brodie McDonald each kicked five goals, while the Rovers got four goals from Ricki Waters and two from Terry Lumbar.
The Roos have kicked a combined 2.10 in their past two final quarters, twice blowing a three-quarter time lead.
The Tigers got another huge game from John Woodcock, along with quality performances from Jake Smith, Jayson Bigg, Harris Dickason and Tom Buzza.
Allan Bond played well in his 200th senior game for the Rovers, with Des Morgan, Dylan May and Caleb Pannell also playing well.
Rovers coach Josh Bode was unable to be reached for comment.
Final score, Katamatite 11.3 (69) to Deni Rovers 9.14 (68).
The Roos reserves had an outstanding day, recording a massive 140 point win on Saturday.
It was an incredible display, with the Rovers having 40 scoring shots for the day, while keeping their opponent scoreless.
Final score, Deni Rovers 20.20 (140) to Katamatite no score.
Youngster Kaiden Joss was Deni’s best, while Matt Johnson, Jaycen Pattinson, Riley Draxl, Jayden Caniglia and Dan Carmichael also helped lead the way.
Caniglia and Brock Ezard topped the scoring with four goals each, with Tim McDonnell (three), Joss (two) and Josh Bode (two) also kicking multiple goals.