Giants reassign pitching coach Dave Righetti, two other coaches

SAN FRANCISCO — Late in a 98-loss season, general manager Bobby Evans met with members of the coaching staff to discuss new roles. The shakeup of the staff ended up being a stunning one.

Pitching coach Dave Righetti was one of three coaches to be reassigned Saturday morning. After 18 seasons as pitching coach, Righetti will now serve as special assistant to the general manager. Bullpen coach Mark Gardner was given a “special assignment role to assist in pitching evaluations.” Assistant hitting coach Steve Decker will be a special assistant for baseball operations.

The moves cap a 13-month run in which the coaching staff has taken much of the blame for a $200 million roster that was poorly…