From MLB.com

The Minnesota Twins announced today that they have acquired infielder Alexi Casilla from the Los Angeles Angels in exchange for lefthanded pitcher J.C. Romero.

Casilla, 21, began last season at Arkansas (Double-A, Texas League) and played in just seven games before being promoted to Salt Lake (Triple-A, Pacific Coast League) on April 30. After 13 games he was transferred to Cedar Rapids (Class A, Midwest League) on May 16 where spent the remainder of the season. He batted .325 (100-for-308) with 62 runs scored, 11 doubles, three triples, three homers, 17 RBIs and 47 stolen bases in 78 games for Cedar Rapids. He had a .392 on-base percentage and was fourth in the Midwest League in stolen bases.

Signed by the Angels as a nondrafted free agent in 2003, Casilla has a career Minor League batting average of .297 (206-for-694) with 129 runs scored, 18 doubles, 11 triples, three homers, 49 RBIs and 103 stolen bases in 189 games. He has 74 walks, but just 68 strikeouts and has a career .375 on-base percentage. In 2004, Casilla led the Arizona Rookie League in strikeouts/total plate appearances (1/18.60) and was second in stolen bases (24).

Casilla, who plays 2B/ss, had a breakout '05, in which he was the Midwest League's Player of the Month and had a 22-game hitting streak. In '04 he was one of Baseball Americas top 20 Arizona League prospects. Things are crowded for the Angels in middle infield (and not just with utility players either). It's a curious trade, given the signing of Castillo and the organization's faith in Jason Bartlett. Perhaps he is Castillo's eventual replacement. As for J.C., I'm sorry its all we could get for him; I hoped he'd be a piece in a bigger deal. We're slowly running out of relievers to trade.

Now, where's my DH?