Coach DNA
Playing style
balanced profile
Club record
League results at each club since 2016, next to the same club under other coaches.
Celtic
Aug 2025 – Oct 2026 · 35 matches
2.50 points per game in Premiership (26 matches).
Celtic with other coaches, ±3 years: 2.34 (114 matches, 2 coaches).
Line-up Elo: +356 above the league average under him, +400 under the others.
Most used
- C. McGregor2,990' · Elo 2,141
- L. Scales2,738' · Elo 2,252
- B. Nygren2,597' · Elo 2,321
- K. Tierney2,423' · Elo 2,172
- A. Trusty2,302' · Elo 2,183
- V. Sinisalo2,218' · Elo 2,160
- Yang Hyun-Jun2,009' · Elo 2,135
- D. Maeda1,800' · Elo 2,175
- Colby Donovan1,457' · Elo 2,095
- S. Tounekti1,435' · Elo 1,995
Nottingham Forest
Jan 2019 – May 2019 · 19 matches
1.42 points per game in Championship (19 matches).
Nottingham Forest with other coaches, ±3 years: 1.34 (256 matches, 9 coaches).
Line-up Elo: +1 above the league average under him, +21 under the others.
Most used
- J. Lolley1,684' · Elo 1,631
- C. Pantilimon1,530' · Elo 1,470
- B. Osborn1,412' · Elo 1,893
- J. Colback1,249' · Elo 1,601
- J. Robinson1,241' · Elo 1,896
- R. Yates1,225' · Elo 2,239
- Y. Benalouane1,216' · Elo 1,329
- M. Cash1,061' · Elo 2,488
- A. Milošević1,000' · Elo 1,652
- Daryl Michael Murphy897' · Elo 1,173
Players under Martin Hugh Michael O'Neill
Total Elo change of his own players in his matches.
Rose most
- V. Sinisalo+340
in 24 matches · Celtic
- D. Murray+339
in 13 matches · Celtic
- R. Yates+213
in 15 matches · Nottingham Forest
- Yang Hyun-Jun+208
in 28 matches · Celtic
- C. Durán+203
in 13 matches · Celtic
Fell most
in 16 matches · Nottingham Forest
- R. Hatate−48
in 18 matches · Celtic
- J. Forrest−47
in 23 matches · Celtic
- J. Colback−45
in 14 matches · Nottingham Forest
in 6 matches · Nottingham Forest
Opponents
Their Elo change in matches against his teams (at least 3 meetings).
Favourite opponents
−51B. Spencer1677
in 4 matches · Falkirk
−40S. Bain1666
in 3 matches · Falkirk
−38S. O'Donnell1639
in 3 matches · Motherwell
−31L. Fadinger1740
in 3 matches · Motherwell
−30L. Henderson1720
in 3 matches · Falkirk
Nemeses
+61D. Sterling2030
in 3 matches · Rangers
+11E. Fernandez2028
in 3 matches · Rangers
+9D. Gassama2038
in 3 matches · Rangers
+1Cláudio Braga1929
in 3 matches · Heart Of Midlothian
Coaches
Their Elo change in matches against him (at least 3 meetings).
Favourite coaches
Hardly any coach lost Elo against him.
Nemesis coaches
Hardly any coach gained Elo against him.
Playing style
How Martin Hugh Michael O'Neill's teams play vs league-season peers (2016+)
Descriptive — how a coach's teams play, not how good they are.
One club since 2016 — lineup-coach attribution starts in 2016, so there's no cross-club comparison yet.