Angels try to improve their performance against lefties … by moving a sign

ANAHEIM — Never underestimate the power of advertising.
The Angels suspect that an ad, of all things, might have contributed to their mysterious trouble hitting left-handed pitchers over the past several years.
The Angels have the worst batting average in the majors against lefties since 2015, which has been a well-chronicled head-scratcher. Throughout that time, the Angels’ best hitters, including Mike Trout, have been right-handed.
Months of study by the team’s analytics depa