"I was told it's not broken, so what a blessing," Murphy said Saturday before the Mets' split-squad game against the Braves at Tradition Field. "It's a little sore now, [but] not as sore as I thought [it would be]."
Murphy said he hopes to be able to swing a bat possibly as soon as Sunday.
Castellanos also was plunked by a pitch that glanced off his right middle finger, but X-rays were negative.
"It was a little scary at first," Castellanos said. "It's sore, but just bruised. I'll be all right. I'll be back tomorrow."
Steve Dorsey is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.