PHOENIX -- D-backs outfielder Mark Trumbo took 50 swings off a batting tee on Wednesday and again on Thursday.
It was the first time he has swung the bat standing up since being diagnosed late last month with a stress fracture in his left foot.
Previously Trumbo had taken swings while kneeling on one knee.
"As good as I could have hoped for," Trumbo said. "Everything felt good."
Trumbo has also begun to run on the AlterG treadmill, which offloads a percentage of a person's body weight. As of now, Trumbo is running on just 20 percent of his body weight.