Cricket teams historically did not trade players. Franchise leagues introduced windows in which contracts move between clubs, and that borrowed mechanism altered the emotional relationship between supporters and squads.
Cricket had no tradition of moving contracts
Domestic players represented the region they qualified for, and changing sides meant relocating and serving a qualification period rather than being exchanged.
There was nothing to trade because the contract was between a player and a board, and the board was a governing body rather than a competitor.
Under that system a career was a story of place, and long service to one region was the normal shape of a professional life.
Franchises created a transferable asset
When a club buys a player at auction it acquires a contract with a value, which is an asset that can in principle be sold to another club.
American leagues had already built the legal and cultural machinery for this, with trades treated as ordinary management rather than as betrayal.
Cricket copied the machinery, but not the century of supporter conditioning that makes a trade feel routine rather than shocking.
Windows exist to protect competitive integrity
Unrestricted movement would let a club strengthen mid-tournament in response to results, which distorts a short season and undermines earlier matches.
Confining trades to defined periods keeps squads stable through the competitive phase and gives supporters a settled group to follow.
The rules also cap how much of a squad can turn over, since a competition where teams reconstitute annually struggles to sustain any identity.
Retention rules pull the other way
Every league runs a tension between refreshing squads for competitive balance and retaining players long enough for supporters to attach to them.
Franchises lobby for retention because a recognizable core sells tickets, while administrators favor movement because it keeps the league open.
The compromise shifts every few cycles, which is why the rules feel unstable compared with the long-established structures of older competitions.
Supporters adapted faster than expected
Loyalty in franchise leagues has settled onto the club rather than the player, which is the American pattern, and it arrived within a generation.
Players who move are now discussed in terms of value and fit rather than desertion, a change in vocabulary that reflects a real change in expectation.
The older attachment persists mainly at international level, where representation is still tied to place and cannot be traded at all.

