Name is pronounced Fa-bee-o Cas-tea-o…Originally signed by TEX as a non-drafted free agent, July 2, 2005.
Began the season with Double-A Richmond in the SF system, posting a 3.34 ERA (32.1IP, 12ER) as 12.2K/9.0IP in 14 games (2 GS)... Made second and final start for Richmond on May 27, striking out season-high 8 at Altoona...Promoted to Triple-A Fresno where he struck out 51 in 57.0IP over 23 appearances (5 GS)...Overall, held right-handed hitters to a line of .230/.284/.326 in 196 plate appearances.
Split his seventh professional season between Double-A Frisco and Triple-A Round Rock, combining for a 4-1 record with a 3.54 ERA (56.0IP, 22ER) in 35 relief appearances…Pitched at the Triple-A level for the first time in his career…Landed on the DL twice with inflammation in his right elbow (June 20-27 and July 16-23)…Was a NRI to Rangers spring training for the second consecutive time.
Spent entire campaign with Frisco (AA)...opponents batted.282 (58-206) with LHB at .268 (22-82) and RHB at .290 (36-124)...converted 9 of 14 (64.3%) save chances, 2nd-most on the club...stranded 9 of 14 (64.3%) inherited runners, while opposition hit .355(22-62) with RISP...allowed runs in 16 of 42 outings, with multipleruns allowed 13 times...opened season on the disabled list withfoot fracture...activated from DL on April 14...allowed season-high6 runs on 5 hits and 2 walks over 0.1 innings in season debut April14 at Springfield...posted 3.77 ERA (12 ER/28.2 IP) over next 24relief appearances from April 17 to July 3 to lower season ERA to5.59...registered 7.33 ERA (19 ER/23.1 IP) in final 17 outings toraise ERA to season-ending figure of 6.36...rated Rangers' no. 23prospect by Baseball America prior to the season.
Spent the bulk of the campaign with Bakersfield (High-A)before a late-season promotion to Frisco (AA), combining to go 1-3 with a 2.11 ERA (13 ER/55.1 IP) and 67 strikeouts in 39 reliefappearances...opponents batted just .219 (44-201), including a.190 (24-126) mark against right-handers ... allowed just 2 homeruns all year, none in his final 26 outings and 36.0 innings ... bothhome runs allowed came at Bakersfield's "Historic" Sam Lynn Ballpark,where center field is 354 feet from home plate ... pitched forSurprise in the Arizona Fall League...was added to the 40-manroster on Nov. 19.
Spent the entire campaign with Hickory (A), thebulk of the season in the bullpen, going 3-5, 3.89 (32 ER/74.0 IP)in 38 relief appearances...made a pair of starts and was 0-1, 6.00(4 ER/6.0 IP)...limited opposing right-handed batters to a .251 average(48-191), while batters hit .269 (87-323) overall...teamedwith Martin Perez and Tyler Tufts on a 7-inning no-hitter April 11vs. Bowling Green...tossed a scoreless 7th inning to complete theno-hitter...did not allow a run over 6 April appearances, a span of10.1 innings...posted a 1.79 ERA (9 ER/45.1 IP) prior to the All-Star break and a 7.01 ERA (27 ER/34.2 IP) following the break
Spent entire season with Clinton (A)...was 1-3, 4.53 (30ER/59.2 IP) in 29 appearances out of the bullpen and 1-2, 6.75(23 ER/30.2 IP) over 7 starts...finished among team leaders in appearances(T4th, 36), innings (4th, 90.1), and saves (T2nd, 4)...allowed just one of 10 inherited runners to score...opened seasonin bullpen with a 3.52 ERA (12 ER/30.2 IP) and 3 saves over 11appearances...joined rotation and made starts in 7 out of his next8 appearances...landed on disabled list July 9-17 with hamstringstrain
Spent the entire season at Spokane (short seasonA)...earned wins in back-to-back quality starts, July 26 vs. Everett(2 ER/6.0 IP) and July 31 at Yakima (2 ER/6.0 IP)...named theNorthwest League's 5th-best prospect and the Rangers' 14th-bestprospect by Baseball America following the season
Sawfirst U.S. action with the Arizona Rangers, allowing one hit across3.0 innings in a start, June 24 vs. AZL Mariners...spent remainderof his first professional season in the Dominican SummerLeague...earned the win (0 ER/5.2 IP) and struck out 14 of 19 battersfaced in his longest start of the year, Aug. 15 at DSL Orioles.