Every transaction below comes from an explicit player-to-trade
relationship in the TradeVerdicts database. Name-only substring
matching is not used.
The cards summarize the date, teams, assets, grades, and verdict.
Open the full trade page for the complete analysis and sourcing
context. Grading standards are explained in the
TradeVerdicts methodology.
Transaction Snapshot
Recorded Trade
Oldest to newest
Trade 1 of 1
Detroit Lions and Minnesota Vikings
Even Trade Tier: major
Confidence: high
Detroit drafted Karl Kassulke in the 11th round in 1963 but waived him during August roster cuts before he played a regular-season game for the Lions. Minnesota then signed him, and he spent his entire 10-year NFL career with the Vikings. The evidence does not support the existing cash-trade description, so this row is corrected to a waiver-and-signing sequence rather than a bilateral trade.