26-year old righty swinging catcher Welington Castillo will miss the rest of the season due to surgery on his right knee. Castillo played in 113 games for the Cubs this year and he was 103 of 380 (.271 avg, .741 OPS) with 41 runs scored, 8 homers, 32 RBIs and 2 stolen bases. Castillo has now played in 176 games in his first four years with the Cubs and he is 156 of 583 (.268 avg, .744 OPS) with 60 runs scored, 14 homers, 59 RBIs and 2 stolen bases. Castillo had a pretty solid year for the Cubs in 2013. 29-year old switch-hitting Dioner Navarro will be the Cubs’ full-time starter the rest of the season. He has played in 82 games for the Cubs so far this year and he is 65 of 217 (.300 avg, .858 OPS) with 30 runs scored, 12 homers and 31 RBIs.