According to a Mets press release,

The New York Mets today announced that they have selected the contract of infielder Argenis Reyes from Buffalo (AAA) of the International League and designated lefthanded pitcher Jon Switzer for assignment. Reyes will wear #11 and will be available for tonight’s game vs. St. Louis. His bio can be found on page 433 of the 2009 Mets Media Guide.

Reyes, 26, was hitting .296 with 19 runs scored, eight doubles, two triples, one home run, 13 RBI, and nine stolen bases in 45 games with the Bisons.

Since May 1st, the switch-hitter was batting .315 (35-111) with seven doubles, two triples, one home run, and 11 RBI. He had a 10-game hitting streak from May 19th-June 15th. He missed two weeks, May 30th-June 15th with a groin contusion.

The 5-10, 180-pounder hit .218 (24-110) with 13 runs scored, one home run and three RBI in 49 games with the Mets in 2008. In addition, he hit .283 (88-311) with 11 doubles and 22 RBI with New Orleans (AAA) of the Pacific Coast League last season.

Switzer appeared in four games with the Mets, tossing 3.1 innings and surrendering four hits and three runs. 

Argenis was having a nice season… Lets see if he can help.