Hector Luna's left knee was reportedly feeling worse on Monday than it was on Sunday.
Source: Daily Sports 7/16/2013
Luna was taken off the active roster today. He will most likely withdraw from the All-Star Series. If he does, he will also miss the first ten games of the regular season after the series and will not be able to return to the active roster until August 4 (vs Yokohama).
Source: Nikkan Sports 7/16/2013
UPDATE @ 6:25pm -
Luna will require about five days of rest for the inflammation in his knee to go away. He is scheduled for another hospital visit within the next few days. The team will continue to monitor him.
Source: Sponichi 7/16/2013
Kosuke Fukudome visited Koshien Stadium before Monday's game to provide the coaches with an update on his left knee. According to Yutaka Wada, things are moving along smoothly with Fukudome's rehab.
Source: Sanspo 7/16/2013