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| Player Report for #55 Isidoro Rivera | | Sunday, October 19th, 1958 | 
| Rec | 9-6 | | ERA | 3.82 | | IP | 169.2 | | BB | 48 | | K | 176 |
| | Name: | Isidoro Rivera | Contract: | Major League Contract | | Nickname: | | Salary: | $4,770,900 | | Birthday: | 08-25-1933 | Signed Through: | 1959 Season | | Age: | 25 | Years of Major League Service: | 4 Years, None | | Born in: | Las Guaranas (Duarte) | Major League Service Days this Year: | 152 Days | | Nationality: | Dominican | | | | Height: | 6' 6" | Years on 40-Man Roster: | 4 Years, None | | Weight: | 210 lbs | Years of Pro Service: | 6 Years | | | | Arbitration Eligibility: | Arbitration eligible in offseason | | Position: | SP | Minor League Option Years: | 3 option years left | | Bats: | Right | | | | Throws: | Right | Contract Extension | - | | Status: | Completely Rested | Drafted | - | | Morale: | Great | Local Popularity (National) | Popular (Popular) |
| | | Pitching Ratings (OSA) | | Pitching | Stuff | Movement | Control | Velocity | | | Overall | 9 | 9 | 12 | 85-87 Mph | | | Versus LHP | 9 | 9 | 12 | | | | Versus RHP | 9 | 9 | 12 | | | | Talent | 5 | 5 | 6 | | |
| Pitching Ratings | | | Pitches: | Fastball, Changeup, Curveball, Slider, Cutter, Sinker, Splitter | | Endurance: | 13 | | | | | Groundball Pct.: | 57 | | | | | Holding Runners: | 18 | | | |
| | Batting Ratings (OSA) | | Batting | Contact | Gap | Power | Discipline/Eye | Avoid K's | | | Overall | 3 | 4 | 1 | 3 | 3 | | | Versus LHP | 4 | 4 | 1 | 3 | 3 | | | Versus RHP | 3 | 4 | 1 | 2 | 3 | | | Talent | 2 | 4 | 1 | 2 | 2 | |
| Running & Bunting Ratings | | | Fielding Ratings | | Running Speed: | 2 | | Pitcher 13 | | Stealing Ability: | 4 | | | | Baserunning Instincts: | 3 | | | | Sacrifice Bunt: | 10 | | | | Bunt for Hit: | 2 | | | | Hitter Type: | Spray Hitter | | | | | | | | | | | | | | | | | |
| | Game Log, Last 10 Games | | Date | Opponent | Result | Start | IP | H | R | ER | BB | K | Dec | | | | | | | | | 09-19-1958 | @ NWK | Win, 22-11 | X | 3.2 | 9 | 6 | 6 | 1 | 2 | | | | | | | | | | 09-13-1958 | @ NWK | Loss, 10-11 | X | 6.2 | 10 | 7 | 7 | 3 | 3 | | | | | | | | | | 09-03-1958 | WAS | Loss, 1-4 | X | 8.0 | 9 | 4 | 4 | 3 | 4 | Loss | | | | | | | | | 08-30-1958 | PIT | Loss, 3-4 | X | 8.0 | 8 | 3 | 3 | 1 | 8 | | | | | | | | | | 08-25-1958 | @ RCK | Win, 3-0 | X | 9.0 | 4 | 0 | 0 | 1 | 10 | Win | | | | | | | | | 08-21-1958 | @ WAS | Loss, 6-7 | X | 7.0 | 7 | 5 | 5 | 2 | 7 | | | | | | | | | | 08-17-1958 | RCK | Win, 6-1 | X | 9.0 | 4 | 1 | 1 | 1 | 9 | Win | | | | | | | | | 08-13-1958 | @ PHI | Win, 6-2 | X | 9.0 | 6 | 2 | 2 | 1 | 6 | Win | | | | | | | | | 08-09-1958 | @ BAL | Win, 4-3 | X | 8.0 | 6 | 1 | 0 | 4 | 10 | Win | | | | | | | | | 08-03-1958 | PIT | Win, 3-2 | X | 9.0 | 4 | 2 | 2 | 2 | 9 | Win | | | | | | | | | Atlantic Coast Baseball 1958 Pitching Stats | | Pitching | G | GS | W | L | SV | ERA | IP | HA | R | ER | HR | BB | K | CG | CG% | SHO | QS | QS% | | Overall | 27 | 24 | 9 | 6 | 0 | 3.82 | 169.2 | 145 | 74 | 72 | 22 | 48 | 176 | 5 | 20.8 | 1 | 13 | 54.2 | | Pitching | SVO | BS | SV% | RA | GF | R/9 | H/9 | K/9 | BB/9 | ERC | WHIP | VORP | BABIP | | | | | | | Overall | 0 | 0 | 0.0 | 3 | 3 | 10.66 | 7.69 | 9.34 | 2.55 | 3.14 | 1.14 | 43.6 | .293 | | | | | | | Pitching | AB | H | 2B | 3B | HR | R | BB | K | SF | SH | HP | AVG | OBP | SLG | OPS | | | | | vs. LHB | 277 | 66 | 21 | 0 | 13 | 41 | 26 | 78 | 2 | 6 | 3 | .238 | .308 | .455 | .763 | | | | | vs. RHB | 341 | 79 | 14 | 1 | 9 | 33 | 22 | 98 | 2 | 14 | 5 | .232 | .286 | .358 | .644 | | | |
| | Atlantic Coast Baseball 1958 Pitching Splits | | Split | G | GS | W | L | SV | ERA | IP | HA | R | ER | HR | BB | K | | | April | 4 | 4 | 1 | 2 | 0 | 5.64 | 22.1 | 18 | 14 | 14 | 1 | 14 | 23 | | | May | 7 | 7 | 1 | 1 | 0 | 4.27 | 52.2 | 54 | 25 | 25 | 8 | 13 | 59 | | | June | 2 | 2 | 1 | 0 | 0 | 6.48 | 8.1 | 7 | 6 | 6 | 2 | 3 | 6 | | | July | 6 | 3 | 1 | 2 | 0 | 5.30 | 18.2 | 19 | 11 | 11 | 2 | 5 | 18 | | | August | 8 | 8 | 5 | 1 | 0 | 2.13 | 67.2 | 47 | 18 | 16 | 9 | 13 | 70 | | | Spring Training | 6 | 6 | 2 | 1 | 0 | 3.38 | 24.0 | 20 | 12 | 9 | 2 | 10 | 19 | | | Playoffs | 3 | 3 | 0 | 1 | 0 | 8.35 | 18.1 | 28 | 17 | 17 | 6 | 7 | 9 | | | Last Year | 31 | 31 | 16 | 8 | 0 | 4.17 | 211.1 | 216 | 112 | 98 | 24 | 58 | 217 | | | 2 Years Ago | 34 | 34 | 15 | 12 | 0 | 3.96 | 245.1 | 230 | 122 | 108 | 34 | 78 | 263 | | | Career | 125 | 122 | 51 | 38 | 0 | 3.90 | 880.0 | 822 | 429 | 381 | 109 | 277 | 947 | | | Home | 14 | 12 | 4 | 2 | 0 | 3.46 | 88.1 | 79 | 35 | 34 | 14 | 23 | 94 | | | Road | 13 | 12 | 5 | 4 | 0 | 4.20 | 81.1 | 66 | 39 | 38 | 8 | 25 | 82 | | | Grass | 27 | 24 | 9 | 6 | 0 | 3.82 | 169.2 | 145 | 74 | 72 | 22 | 48 | 176 | | | Day | 3 | 2 | 1 | 1 | 0 | 0.50 | 18.0 | 6 | 1 | 1 | 1 | 2 | 19 | | | Night | 24 | 22 | 8 | 5 | 0 | 4.21 | 151.2 | 139 | 73 | 71 | 21 | 46 | 157 | |
| | Career Minor League Pitching Stats | | Year/Team/League | Age | G | GS | W | L | SV | ERA | IP | HA | R | ER | HR | BB | K | CG | SHO | WHIP | BABIP | VORP | | 1953 Moon Township - R | 19 | 13 | 13 | 9 | 2 | 0 | 2.68 | 111.0 | 103 | 42 | 33 | 4 | 15 | 66 | 9 | 1 | 1.06 | .273 | 28.1 | | 1954 Moon Township - R | 20 | 10 | 10 | 7 | 2 | 0 | 3.43 | 81.1 | 77 | 35 | 31 | 3 | 15 | 89 | 4 | 1 | 1.13 | .338 | 19.1 | | 1954 Statesboro - AA | 20 | 11 | 11 | 5 | 4 | 0 | 3.42 | 79.0 | 86 | 41 | 30 | 4 | 28 | 76 | 1 | 0 | 1.44 | .361 | 20.5 | | Total DHBL | | 11 | 11 | 5 | 4 | 0 | 3.42 | 79.0 | 86 | 41 | 30 | 4 | 28 | 76 | 1 | 0 | 1.44 | .361 | 20.5 | | Total ORB | | 23 | 23 | 16 | 4 | 0 | 2.99 | 192.1 | 180 | 77 | 64 | 7 | 30 | 155 | 13 | 2 | 1.09 | .298 | 47.2 |
| | Career Postseason Pitching Stats | | Year/Team/League | Age | G | GS | W | L | SV | ERA | IP | HA | R | ER | HR | BB | K | CG | SHO | WHIP | BABIP | VORP | | 1958 Portsmouth - ACB | 24 | 3 | 3 | 0 | 1 | 0 | 8.35 | 18.1 | 28 | 17 | 17 | 6 | 7 | 9 | 0 | 0 | 1.91 | .349 | 0.0 | | Total ACB | | 3 | 3 | 0 | 1 | 0 | 8.35 | 18.1 | 28 | 17 | 17 | 6 | 7 | 9 | 0 | 0 | 1.91 | .349 | 0.0 |
| | Career Fielding Stats | | Year/Team/League | POS | G | GS | PO | A | DP | TC | E | PCT | INN | RANGE | PB | RSTA | RTO | RTO% | | 1958 Portsmouth - ML | P | 27 | 24 | 10 | 31 | 0 | 43 | 2 | .953 | 169.2 | 2.17 | | | | | | | | | | | | | | | | | | | | |
| | Player History | | 04-04-1952 | Signed a 0-year minor league contract with the Portsmouth Spartans organization. | | 01-01-1953 | SISA scouting updated ratings (potential): Stuff: 4 (3); Movement: 6 (4); Control: 7 (4). | | 07-02-1953 | Won the 1953 Ohio River Baseball Ohio River Cup with the Moon Township Hillbillies! | | 01-01-1954 | SISA scouting updated ratings (potential): Stuff: 10 (5); Movement: 7 (4); Control: 8 (4). | | 05-01-1954 | Was selected to the 1954 Ohio River Baseball All-Star Game. | | 05-22-1954 | Pitches a 4-hit shutout against the Wheeling Colonials with 7 strikeouts and 2 BB allowed! | | 06-02-1954 | Injured (tender shoulder), out for 1-2 weeks. | | 01-01-1955 | SISA scouting updated ratings (potential): Stuff: 15 (8); Movement: 15 (8); Control: 13 (7). | | 08-09-1955 | Pitches a 4-hit shutout against the Rockville Superbas with 13 strikeouts and 0 BB allowed! | | 10-13-1955 | Received a 1-year contract worth a total of $300,000 through automatic renewal. | | 01-01-1956 | SISA scouting updated ratings (potential): Stuff: 14 (7); Movement: 16 (8); Control: 15 (8). | | 10-15-1956 | Received a 1-year contract worth a total of $300,000 through automatic renewal. | | 01-01-1957 | SISA scouting updated ratings (potential): Stuff: 13 (7); Movement: 16 (8); Control: 15 (8). | | 06-02-1957 | Injured (tender elbow), out for 1-2 weeks. | | 07-13-1957 | Injured (strained back muscle), out for 1-2 weeks. | | 09-18-1957 | Won the 1957 Atlantic Coast Baseball World Championship with the Portsmouth Spartans! | | 10-09-1957 | Received a 1-year contract worth a total of $3,744,000 through arbitration. | | 01-01-1958 | SISA scouting updated ratings (potential): Stuff: 14 (7); Movement: 13 (7); Control: 16 (8). | | 04-05-1958 | Injured (tender elbow), day-to-day for 2 weeks. | | 06-07-1958 | Injured (strained back muscle), out for 3 weeks. | | 08-25-1958 | Pitches a 4-hit shutout against the Rockville Superbas with 10 strikeouts and 1 BB allowed! | | 10-16-1958 | Received a 1-year contract worth a total of $4,770,900 through arbitration. | | Leader Boards Appearances | | | | | Year | GS | Rank | | 1955 | 33 | 4 | | 1956 | 34 | 2 | | 1957 | 31 | 7 | | | Year | W | Rank | | 1956 | 15 | 5 | | 1957 | 16 | 5 | | | | Year | Winning % | Rank | | 1956 | .556 | 10 | | 1957 | .667 | 7 | | | Year | IP | Rank | | 1955 | 253.2 | 4 | | 1956 | 245.1 | 7 | | 1957 | 211.1 | 8 | | | Year | BF | Rank | | 1955 | 1079 | 4 | | 1956 | 1044 | 5 | | 1957 | 919 | 8 | | | | Year | BB | Rank | | 1955 | 93 | 2 | | 1956 | 78 | 3 | | | Year | K | Rank | | 1955 | 291 | 2 | | 1956 | 263 | 3 | | 1957 | 217 | 5 | | | | Year | ERA | Rank | | 1957 | 4.17 | 8 | | 1958 | 3.82 | 6 | | | | Year | WHIP | Rank | | 1957 | 1.30 | 8 | | 1958 | 1.14 | 5 | | | Year | K/BB | Rank | | 1957 | 3.74 | 5 | | 1958 | 3.67 | 7 | | | Year | RA/9 | Rank | | 1957 | 12.14 | 7 | | 1958 | 10.66 | 5 | | | Year | HR/9 | Rank | | 1955 | 1.03 | 8 | | 1957 | 1.02 | 7 | | 1958 | 1.17 | 10 | | | | Year | BB/9 | Rank | | 1957 | 2.47 | 10 | | 1958 | 2.55 | 8 | | | Year | K/9 | Rank | | 1955 | 10.32 | 5 | | 1956 | 9.65 | 3 | | 1957 | 9.24 | 5 | | 1958 | 9.34 | 5 | | | Year | VORP | Rank | | 1955 | 54.7 | 6 | | 1956 | 47.7 | 5 | | 1957 | 50.8 | 6 | | 1958 | 43.6 | 9 | | | Year | QS | Rank | | 1955 | 19 | 9 | | 1956 | 17 | 7 | | 1957 | 15 | 8 | | | | Year | SHO | Rank | | 1955 | 1 | 9 | | 1956 | 1 | 4 | | 1958 | 1 | 6 | | | Year | GB% | Rank | | 1955 | 0.62 | 9 | | 1958 | 0.61 | 10 | | | | | | | |
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