Prospect Power Rankings: Vol. 7

The seventh installment in our 2009 Prospect Power Rankings, these rankings are compiled and updated on a weekly basis throughout the season and are based solely on player performances, not age.

Statistics updated through the morning of June 1.

AT THE PLATE

1. Josh Vitters: 3B, Peoria (Class A)
Stats: .356 AVG, 46 G, 13 HR, 34 RBI, 1.024 OPS

With Jake Fox having been promoted to Chicago, he is the hottest hitter in the Cubs' system and perhaps in all of minor league baseball. He finished May with a whopping 12 home runs. He had 27 RBI and hit .386 for the month.

2. Josh Harrison: INF/OF, Peoria
Stats: .353 AVG, 48 G, 3 HR, 23 RBI, .384 OBP

Entering the week, he had been on base in every game he'd started since May 7 and had failed to reach base in only three of his first 48 games played this season. Almost one-third of his 66 hits have gone for extra bases.

3. Tony Thomas: 2B, Tennessee (Class AA)
Stats: .283 AVG, 48 G, 8 HR, 19 RBI, .372 OBP

He had a rough ending to May but still leads his team in home runs and has 19 RBI and 22 walks.

4. Marquez Smith: 3B, Tennessee
Stats: .280, 46 G, 8 HR, 32 RBI

At this rate, a 20-home run season is not out of the question. Since being promoted from Daytona, he is batting 20 points higher.

5. Kyler Burke: OF, Peoria
Stats: .291 AVG, 46 G, 4 HR, 24 RBI, .344 OBP

Making his first appearance in our top five, he leads the Cubs' system in doubles. Half of his 48 hits have gone for extra-bases.

ON THE MOUND

1. Chris Archer: RHP, Peoria
Stats: 2-0, 1.29 ERA, 35 IP, 47 K, 20 BB

He has fewer innings than most starters due to strict pitch counts, but it's time to give props to the hard-throwing 20-year-old right-hander. He has the lowest ERA of any current starter in the Cubs' system and has held opponents to a .160 average.

2. Jay Jackson: RHP, Tennessee
Stats: 3-3, 3.35 ERA, 51 IP, 48 K, 21 BB

He continues to roll after a slow start. He finished one out shy of recording his sixth consecutive quality start in his most recent outing on Friday against Huntsville and has not allowed more than one run in five of his last six appearances.

3. Dan McDaniel: RHP, Daytona (Class High A)
Stats: 3-1, 2.78 ERA, 31.2 IP, 30 K, 15 BB

He has pitched only once in the last two weeks due to a slew of rainouts, but has allowed just 18 hits for a .162 average against.

4. Rafael Dolis: RHP, Daytona (Class High-A)
Stats: 1-3, 2.78 ERA, 35.2 IP, 29 K, 19 BB

He has been solid in his first season since undergoing Tommy John surgery in 2007, not allowing more than two runs in seven of his eight starts.

5. Casey Coleman: RHP, Tennessee
Stats: 4-2, 3.31 ERA, 49 IP, 28 K, 16 BB

He has had a few bad moments but overall has been effective and consistent after making the jump to Double-A in his first full season since being drafted.

HONORABLE MENTIONS

Casey Lambert: SP, Tennessee

He is coming off his worst outing of the season at Double-A, but still has the best ERA of any Smokies starter.

Chris Robinson: C, Iowa

A hitting machine all year, he has shown no signs of slowing down and is his team's leader in batting average with a .384 mark since Fox was promoted.

Blake Lalli: INF/OF, Tennessee

He has batted .350 with 10 doubles through 42 games, playing first base, catcher and DH.

Chris Carpenter: RHP, Peoria

The hard-throwing right-hander has averaged one strikeout per inning (45 in 45 1/3 innings) with a 3.38 ERA. He's been tough on left-handers, holding them to a .169 average against.

J.R. Mathes: LHP, Iowa

He had five straight quality starts entering the week and led the Cubs' system with seven wins. Since moving into the starting rotation in late April, he has a 1.96 ERA in 46 innings. He has issued just five walks through 53 innings this season.

Darwin Barney: SS, Tennessee

His .325 average is second on the team, and he's been on base in 24 of his last 26 games. Dating back to August of last season at Daytona through the Arizona Fall League, he has maintained a plus .300 average.

Starlin Castro: SS, Daytona

The 19-year-old has a hit in all but one of his last 14 games and batted .368 in May. He has held his own with a .296 average overall in 42 games this season.

Tony Campana: OF, Daytona

He has seven multi-hit games since being promoted from Peoria and is batting .319. He leads the Cubs' system with 17 stolen bases.

Jim Adduci: OF, Tennessee

He leads the Cubs' farm system with 23 walks and entered the week with a hit in nine of his last 10 games to raise his average from .224 to .261.

Chris Huseby: RHP, Peoria

Our "Reliever of the Week" had tossed 11 1/3 consecutive scoreless innings before allowing his first run in over three weeks on Friday. He has a 2.21 ERA and 28 strikeouts to just two walks through 13 appearances (20 1/3 innings).

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