Whether it was the toll of age, an eye on a future fight or slipping talent, Robert Guerrero couldn’t hold off anonymous Argentine journeyman David Peralta on Saturday.
The questions now aimed at former two-division champion Guerrero, 33, are stark after Peralta’s split-decision triumph at Honda Center.
Guerrero, who lost to World Boxing Council welterweight champion Danny Garcia in February, picked up his head briefly after scorecards were read, raised a fist to a crowd of supporters and exited the ring.
The judges’ scores were 115-113 (Zachary Young), 113-115 (Jerry Cantu) and 116-112 (Max DeLuca).
Young gave Peralta seven of the last...