For the second year in a row, Callaspo was the toughest player in the minors to strike out, going 20.4 plate appearances per whiff in 2005. He also ranked 11th among all minor leaguers with 171 hits last season. He batted .297 in 89 contests for the Arkansas Travelers before moving up to Triple-A on July 16 and hitting .316 for the Salt Lake Stingers. He finished the season riding a 15-game hitting streak.
Jason Bulger, the 22nd overall pick in 2001, has been used strictly as a reliever the past two seasons after returning from Tommy John surgery, which included a 3-6 record and a 3.54 ERA in 56 games for Triple-A Tucson and a 1-0 mark with a 5.40 ERA in nine appearances with the Diamondbacks.
Bulger held the opposition to a .244 average against in Triple-A, allowing 27 walks and striking out 55 in 56 frames. He limited right-handers to a .224 average and posted a 2.37 ERA over his final 20 appearances before being called up.