Maybe 2025 was a blip, but Abreu did make major strides in hitting lefties. His .676 OPS is pretty close to sustainable, especially if you see how Cora felt Duran's much lower OPS vs LHPs was sustainable.
OPS vs LHPs
Duran: .428 in 30 PAs '21, .509 in 27 PAs in '22, when he only started 8 gms v L and 50 v R- that was a platoon, folks! Then, Duran turned it around: .749 in 49 PAs in '23 but still 73 GS vs R and just 9 vs L, so this whole notion that Cora has not platooned Duran is a false narrative, unless you look at just 2024 and 2025. As soon as Duran went FT, his OPS vs L dropped and dropped again:
.665 in '24 (230 PAs: 117 GS v R/43 GS v L- a strict FT player)
.600 in '25 (209 PAs: 116 GS v R and 36 v L- still a FT player)
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Abreu has not been in MLB as long as Duran, and in a sense is 2 years behind him, and here are his splits vs LHPs (note the smaller sample sizes due to a near or full platoon)
.400 in '23 (just 10 PAs: GS 18 v R and 1 v L)
.532 in '24 (67 PAs, which is more PAs than Duran had in '21 and '22 combined!) 104 GS vs R and 6 v L (pretty much a strict platoon)
.676 in '25 (68 PAs, which is more PAs than Duran had in '23, but a lower OPS) 89 GS v R/ 8 GS vs L (a slight move towards a near full platoon)
Abreu's 2025 OPS is better than Duran's 2024 and 2025 OPS. This is not meant to say that Cora will platoon Duran and not the better defender Abreu, but just that maybe Abreu will not be strictly platooned in '26.
IMO, Duran will not be here in '26, so there will not be an either or or both choice to be made.