Highlights from Davey Martinez’s media availability on Wednesday afternoon in Chicago… Nelson’s Shoulder: Nelson Cruz left the second of three with the Cubs in Wrigley when something with his right shoulder didn’t feel right. Cruz was 4 for his last 13 over four games, and 0 for 2 on the night before his manager pulled him from the lineup after five innings in the 2nd of 3 in Chicago. “He has a right posterior [shoulder] soreness,” manager Davey Martinez told reporters after the Nationals’ 6-5 win over the Cubbies on Tuesday. “I saw him take a couple swings, and he…