Meszaros had nine goals, 27 assists and 50 penalty minutes in 82 regular-season games for the Senators last season, his third in the NHL.
The 22-year-old Slovak was a first-round pick in 2004.
Kuba, from the Czech Republic, had six goals, 25 assists and 40 penalty minutes in 75 games last season. Picard had three goals, three assists and 10 penalty minutes in 24 games with the Philadelphia Flyers and the Lightning last season.
Copyright 2012 by STATS LLC and The Associated Press. Any commercial use or
distribution without the express written consent of STATS LLC and The
Associated Press is strictly prohibited.