Del Zotto, 24, had a goal and four assists in 25 games for Nashville last season. The Flyers announced earlier Tuesday that veteran defenseman Kimmo Timonen was hospitalized in Finland with blood clots in his lower right leg and in both lungs.
Del Zotto was a first-round pick by the New York Rangers in 2008. He had 26 goals and 95 assists for 121 points in 292 games over five seasons with the Rangers. He had 10 goals and 31 assists for 41 points and a plus-20 rating in his best season in 2010-11.