Manny Machado is enduring a slump of epic proportions

Manny Machado is enduring a slump of epic proportions

Manny Machado has started the season in a dreadful slump — unless it’s a sign of lasting decline. (Photo by Aaron Gash/Associated Press) By any stretch of the imagination for a player of his stature, Padres All-Star third baseman Manny Machado is in a horrendous slump. Despite a booming a two-run, first-inning homer into the far reaches of center field at Petco Park during Tuesday night’s 5-4 loss to the Dodgers, Machado is struggling with a .18…