SOG: 184 | +/-: 25
"The collision he had at the net, you know you're going to be dealing with a contusion or you're going to be dealing with a heavy blow to the leg," Bylsma told the Penguins website Thursday. "He hit his ankle first on the one skate, and then we saw him hit above the knee on the second one.
"So yes, you think he probably wasn't feeling too good [Wednesday]. Better during the game and not as well [Wednesday] and still dealing with it [Thursday]."
Forward James Neal also sat out practice for a maintenance day.
"We'll re-evaluate [Friday] and hopefully see them both back with us," Bylsma said.
Pittsburgh plays at Philadelphia on Saturday (1 p.m. ET: NHLN-US) and at home on Sunday (12:30 p.m. ET; NBC).