Arizona Fall League: Midseason update

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by Mike Feigen

With 19 of the Mesa Solar Sox’s 30 games complete in the Arizona Fall League season, each of the seven representatives of the Washington Nationals has thrown at least eight innings or come to the plate at least 25 times during the top prospect “finishing school.”

farm graphicAmong the standouts thus far are a pair of catchers with intriguing skill sets. Spencer Kieboom, the Nationals’ fifth-round selection in 2012 out of Clemson University, hit .309/.352/.500 with nine home runs for Single-A Hagerstown  in 2014, brandishing his credentials as one of the top offensive catchers in the organization. Meanwhile, 21-year-old backstop Pedro Severino — who has one of the top defensive reputations in the Minors — led the Potomac Nationals to a Carolina League title. He also blasted nine homers during the 2014 campaign.

Former third-round pick Tony Renda earned the club’s selection for the annual Fall Stars Game, which will be televised live on MLB Network on Saturday, Nov. 1 at 8 p.m. ET from Scottsdale, Arizona.

Here’s a rundown of how the Nationals’ prospects have done in the AFL to this point:

MATT GRACE | LHP | 6-4 210 | 12.14.88

8.0 IP, 6 H, 3 R, 3 ER, 5 BB, 8 SO, 3.38 ERA, 1.375 WHIP

After a bit of a slow start, Grace has turned in excellent numbers in his last four appearances for the Solar Sox. During that time he has fired 4.2 scoreless innings, allowing just two hits while striking out three. The big southpaw has found success against hitters from both sides of the plate, holding righties to just two hits in 13 at-bats.

NEIL HOLLAND | RHP | 6-0 190 | 8.14.88

8.0 IP, 13 H, 9 R, 9 ER, 4 BB, 4 SO, 10.13 ERA, 2.125 WHIP

Though Holland has struggled in the hitter-friendly Fall League, his excellent contributions over the course of the regular season earned him plaudits within the Nationals organization. The side-arm throwing right-hander was a midseason All-Star in the Double-A Eastern League and finished the season with a 0.59 ERA in his final nine appearances of the year.

SPENCER KIEBOOM | C | 6-0 220 | 3.16.91

.400/.440/.650 (8-for-20), 2 2B, 1 HR, 6 RBI, 2 R, 3 BB in 25 PA

In limited playing time, the right-handed hitting Kieboom has flashed the type of offensive potential that makes him one of the Nationals’ top prospects. He has three multi-hit games in six starts behind the plate, and powered a three-run home run in the eighth inning on October 16 to clinch a 6-2 Mesa victory.

TONY RENDA | IF | 5-8 180 | 1.24.91

.226/.250/.321 (12-for-53), 3 2B, 1 3B, 7 RBI, 8 R, 2 BB, 1 SB in 56 PA

Renda is currently riding a nine-game hitting streak (12-for-37) after starting the AFL season 0-for-16 in his first five games. The former Cal-Berkeley standout received the Washington Nationals inaugural  “Bob Boone Award,” in 2013, which is given to the farmhand who best exhibits professionalism, leadership, loyalty, passion, selflessness, durability, determination, and work ethic required to play the game the “Nationals Way.”

FELIPE RIVERO | LHP | 6-2 196 | 7.5.91

13.0 IP, 17 H, 14 R, 13 ER, 7 BB, 8 SO, 9.00 ERA, 1.846 WHIP

Best known by Nationals fans as one of the players acquired in the deal that brought Jose Lobaton to Washington, Rivero has a live arm and the potential to develop into either a starter or reliever at the next level. In his four Fall League starts, Rivero has allowed no runs and one hit in the first inning of those contests.

DEREK SELF | RHP | 6-3 205 | 1.14.90

10.0 IP, 8 H, 1 R, 1 ER, 3 BB, 4 SO, 0.90 ERA, 1.100 WHIP

After splitting time between Single-A Potomac and Double-A Harrisburg in 2014, the right-handed reliever has continued his success in the Arizona Fall League. Since allowing a solo home run in his first appearance on October 7, Self has been lights out since, completing eight scoreless frames. The Kentucky native was the Nationals’ ninth-round pick in the 2012 draft.

PEDRO SEVERINO | C | 6-1 180 | 7.20.93

.280/.321/.360 (7-for-25), 1 3B, 3 RBI, 1 R, 1 BB, in 28 PA

The aforementioned Severino, a highly-touted youngster out of the Dominican Republic, may be on the fast track to the Majors thanks to his elite glove work. He has also demonstrated improved bat control, including a four-hit game on October 22 during a rout of the Scottsdale Scorpions. The youngster won’t turn 22 until July, but could catch at the Double-A level in 2015.

For more information on the Arizona Fall League, stay tuned to Curly W Live or visit

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