ST. LOUIS – The flip side of the excitement of a major trade-deadline acquisition is the pressure exerted on the acquisition himself. A clubhouse, an organization and a fan base are counting on him to produce – and to do so with a trip to the postseason on the line.
If any of that has weighed heavily on J.D. Martinez’s mind over the past week or so, he’s done an impressive job overcoming it. On Thursday night at Busch Stadium, Martinez clubbed yet another home run with his new team, a fourth-inning grand slam that provided all of the offense in the Diamondbacks’ 4-0 win over the St.