Rangers sign first rounder Fien

The Texas Rangers officially announced the signing of first round draft pick Gavin Fien last night. In addition, the Rangers announced the signing of fourth rounder Mason McConnaughey, fifth rounder Ben Abeldt, and 18th rounder Julius Sanchez.

We previewed Fien prior to the draft. A shortstop out of Temecula, California, who turned 18 in March, Fien is expected to move to third base in the professional ranks. He’s a righthanded hitter who is considered one of the best high school hitters in the draft, and presents an enticing combo of hit tool and power potential.

Fien signed for a reported $4.8 million, which is almost $1 million less than the $5.75 million in bonus pool money allocated for…