Depth can cure a host of problems that might suddenly confront a baseball team, such as an injury to a regular or perhaps a so-so outing by an ace.
Consider the Mets, 9-4 winners last night over the Phillies, despite Daniel Murphy's early departure from the game and Matt Harvey's most middling start since June.
Ruben Tejada, the Mets' shortstop and No. 8 hitter, collected four RBIs. His night was highlighted by the first inside-the-park home run by a Met in more than five years.
Kelly Johnson, the Mets' No.