Steph Curry vs. Seth Curry as sibling rivalry invades NBA playoffs

Portland Trail Blazers’ Seth Curry (31) talks with his brother Golden State Warriors’ Stephen Curry (30) after the Warriors 109-110 loss in over time of their NBA game at Oracle Arena in Oakland, Calif., on Thursday, Dec. 27, 2017. (Ray Chavez/Bay Area News Group)The most intriguing subplot of the NBA’s Western Conference Finals is the Tale of Two Currys — Stephen and his Warriors take on his little brother Seth and the Trail Blazers — that portends the best and the worst of times for their parents.

Dell and Sonya Curry’s exhilaration of knowing their sons are the first brothers in NBA history to face each other in a Finals series gave way to the realization that they’ll need to play…