JOHAN AND JORDI CRUYFF
Legendary Dutch midfielder Johan managed Barcelona to four straight titles in early 1990s—while playing underperforming Jordi. Club president decried nepotism, cut both loose in '96.
PRESS AND PETE MARAVICH
Pete became NCAA basketball's alltime leading scorer under Press's deferential offense at LSU. Fraught relationship saw Pete take directions from assistants, ignore Press's instructions.
CAL RIPKEN SR. AND CAL JR.
Senior spent 36 years with Orioles, managing sons Cal and Billy, Junior's double-play partner, in 1987. Baltimore axed Senior six games into '88, forever marring Junior's opinion of the O's.
PATRICK ROY AND SONS
Before Colorado, Patrick coached his two sons in juniors and bequeathed to both his, um, fire: Jonathan was charged with assault for pummeling a goalie; Frederick got a 15-game ban for a late cross-check.