FINAL MAY 13
PIT BOS
Western lowland gorilla
A Pittsburgh
FINAL JAN 30
TOL DET
Polar bear
A- Toledo
FINAL APR 15
DEN TEX
Nile hippopotamus
A Denver
FINAL JUN 25
STL DAK
Western lowland gorilla
A Animal Kingdom
IN PROG JUL 20
MAR SHD
Beluga whale
A Receiving clubs
FINAL JAN 27
TOK CHN
Giant panda
F Japan
SCHEDULED APR 23
CHN ATL
Giant panda
A Zoo Atlanta
FINAL MAR 1
OKC TPA
African lion
A- Busch Gardens
FINAL JUL 8
FTW STL
Western lowland gorilla
A- Saint Louis
FINAL NOV 6
PHX MIA
African lion
A- Phoenix
DELAYED JAN 15
STL CMH
Asian elephant
INC Both
FINAL MAY 31
PRG BER
Przewalski's horse
A Prague
Breaking The Gorilla Trade: Pittsburgh lands a 33-year-old silverback. Boston rebuilds with two prospects.
← Trade Tracker

Polar bear · No. 2 of 22

Kali for Nuka, Straight Up

Toledo and Detroit made the purest one-for-one trade in the sport.

Polar bear
Photo: Chief Yeoman Alphonso Braggs, US-Navy / Public domain · Illustrative image of the species, not the individual animal.

The Deal

Kali — M, 13 Toledo Zoo → Detroit Zoo
Nuka — M, 21 Detroit Zoo → Toledo Zoo
Why it happenedPolar Bear Population Alliance breeding recommendations. The Alliance is a newer AZA consortium coordinating a genetically diverse US polar bear population across member institutions.

The Grades

A-

Toledo

Reunited Nuka with Crystal, a female he has already produced twins with. You do not get many trades where the chemistry is pre-verified.

B+

Detroit

Got eight years younger at the position and took on a bear with a genuinely national profile.

The Breakdown

Two franchises 60 miles apart swapped starters at the same position on the same day. In any other sport this would be a rivalry trade and both fanbases would be furious. In this one, both zoos are right.

Nuka is 21 and going back to Toledo, where he lived before, to rejoin Crystal, the female he sired twin cubs with in November of the year he arrived. That is a front office trading for a known quantity. The pairing already worked once.

Kali is 13 and has the better story. He was found as an orphaned cub in 2013 by residents of the Native Village of Point Lay, Alaska, rescued by the US Fish and Wildlife Service, and placed at Saint Louis in 2015 before moving to Toledo in 2025. Detroit is his fourth stop. He is a genuine rescue-to-roster arc and the kind of animal a marketing department builds a season around.

The trade also tells you something structural about how this league works. Peer-reviewed analysis of AZA transfer recommendations found that moves are most likely to be completed between institutions that are close together and have an existing relationship. Toledo and Detroit are an hour apart and have been trading for years. That is not a coincidence. It is the single best predictor of whether a recommended trade actually happens.

Watch

Nuka arriving back in Toledo as part of the swap with Detroit. Video: WTOL11, via YouTube.

Sources

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