Both players were named to the World Roster. Liddi is a native of Italy and Paxton hails from Canada.
Liddi, 22, is batting .260 with 13 home runs and 46 RBIs while playing third base for Tacoma this season in his first shot at Triple-A ball. He signed as a non-drafted free agent with the Mariners in 2005. Liddi hit .345 with 23 home runs and 104 RBIs for Class A High Desert in '09 and hit .281 with 15 home runs and 92 RBIs for Double-A West Tenn last season.
Liddi played for Team Italy in the 2009 World Baseball Classic and this will be his third All-Star Futures appearance. He went 0-for-2 in the game last year and 0-for-1 with two walks and a run scored in '09.
Paxton, a left-handed pitcher, is in his first season with the Mariners organization. He signed early in Spring Training after being selected in the fourth round in the 2010 Draft.
The 6-foot-4 Paxton is 3-3 with a 2.70 ERA in nine starts for Class A Clinton, having allowed 40 hits in 50 innings. He's notched 73 strikeouts to 30 walks in his first season in pro ball.
Paxton, 22, pitched in the Midwest League All-Star Game on Wednesday, getting two strikeouts in a perfect inning of work.
The 13th annual Futures Game can be seen live on MLB.TV, ESPN2 and ESPN2 HD and followed live on MLB.com's Gameday on Taco Bell All-Star Sunday, July 10, at 3 p.m. PT. In addition, XM Radio will broadcast play-by-play coverage of the event live on XM 175.
MLB.com will provide complete coverage before, during and after the game, and you can keep up to date by following @MLBFutures on Twitter. Fans can join the Futures Game conversation by tagging tweets with #mlbfutures.
Major League Baseball, along with the Major League Baseball Scouting Bureau, MLB.com, Baseball America, USA Baseball and the 30 Major League Baseball clubs, selected the 25-man rosters for each club. Each organization is represented, and the World Team features players from 12 countries and territories. Players from all full-season Minor Leagues were eligible to participate.