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∙ 9y agoJohn Stefero played in just one game at second base for the Baltimore Orioles in 1986 and did not start.
He made no putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
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∙ 9y agoJohn Stefero debuted on June 24, 1983, playing for the Baltimore Orioles at Memorial Stadium; he played his final game on May 24, 1987, playing for the Montreal Expos at Stade Olympique.
John Stefero played in 50 games at catcher for the Baltimore Orioles in 1986, starting in 39 of them. He played for a total of 964 outs, equivalent to 35.7 9-inning games. He made 221 putouts, had 20 assists, and committed 4 errors, equivalent to .112 errors per 9-inning game. He had 2 double plays. He had 3 passed balls, 14 wild pitches, 37 opponent stolen bases, and 18 opponent caught stealings. His zone rating was 1.
In 1983, John Stefero played in 9 games, all for the Baltimore Orioles, and batting in all of them. He had 11 at bats, getting 5 hits, for a .455 batting average, with 4 runs batted in. He was walked 3 times. He struck out 2 times. He hit 1 double, 0 triples, and 0 home runs.
John Stefero was born September 22, 1959, in Sumter, SC, USA.
In 1986, John Stefero played in 52 games, all for the Baltimore Orioles, and batting in all of them. He had 120 at bats, getting 28 hits, for a .233 batting average, with 0 sacrifice hits, 1 sacrifice flie, and 13 runs batted in. He was walked 16 times. He struck out 25 times. He hit 2 doubles, 0 triples, and 2 home runs.
John Stefero is 5 feet 8 inches tall. He weighs 185 pounds. He bats left and throws right.
John Stefero was born on 1959-09-22.
In 1983, John Stefero played for the Baltimore Orioles. On Base Percentage (OBP) is considered by many to be a better measure of a great hitter than the Batting Average. It is calculated with the formula (Hits + Walks + Hit by Pitch) / (At Bats + Walks + Hit by Pitch + Sacrifice Flies). In 1983, John Stefero had 11 at bats, 5 hits, 3 walks, and was hit by the pitch 0 times. He had 0 sacrifice flies. That gives him an On Base Percentage of .571. Slugging Percentage (SLG) is a popular measure of a batter's power. It is calculated as (Total Bases) / (At Bats). Another way to look at it is (Singles + 2 x Doubles + 3 x Triples + 4 x Home Runs) / (At Bats). In 1983, John Stefero had 11 at bats, and hit 4 singles, 1 double, 0 triples, and 0 home runs, for a .545 slugging percentage. Being able to get on base and to hit for power are two of the most important offensive skills in baseball, so the On Base Percentage and Slugging Percentage are often added together. On-base plus slugging (OPS) is a sabermetric baseball statistic. The best hitters in Major League Baseball can achieve an OPS of .900 or higher. In 1983, John Stefero had a .571 On Base Percentage and a .545 Slugging Percentage for an OPS of 1.117. Runs Created (RC) is a baseball statistic invented by Bill James to estimate the number of runs a hitter contributes to his team. There are a number of formulas used to calculate it. One of the simplest is (On Base Percentage) × (Total Bases). In 1983, John Stefero had a .571 On Base Percentage and 6 Total Bases for 3.43 Runs Created.
In 1986, John Stefero played for the Baltimore Orioles. On Base Percentage (OBP) is considered by many to be a better measure of a great hitter than the Batting Average. It is calculated with the formula (Hits + Walks + Hit by Pitch) / (At Bats + Walks + Hit by Pitch + Sacrifice Flies). In 1986, John Stefero had 120 at bats, 28 hits, 16 walks, and was hit by the pitch 0 times. He had 1 sacrifice fly. That gives him an On Base Percentage of .321. Slugging Percentage (SLG) is a popular measure of a batter's power. It is calculated as (Total Bases) / (At Bats). Another way to look at it is (Singles + 2 x Doubles + 3 x Triples + 4 x Home Runs) / (At Bats). In 1986, John Stefero had 120 at bats, and hit 24 singles, 2 doubles, 0 triples, and 2 home runs, for a .300 slugging percentage. Being able to get on base and to hit for power are two of the most important offensive skills in baseball, so the On Base Percentage and Slugging Percentage are often added together. On-base plus slugging (OPS) is a sabermetric baseball statistic. The best hitters in Major League Baseball can achieve an OPS of .900 or higher. In 1986, John Stefero had a .321 On Base Percentage and a .300 Slugging Percentage for an OPS of .621. Runs Created (RC) is a baseball statistic invented by Bill James to estimate the number of runs a hitter contributes to his team. There are a number of formulas used to calculate it. One of the simplest is (On Base Percentage) × (Total Bases). In 1986, John Stefero had a .321 On Base Percentage and 36 Total Bases for 11.56 Runs Created.
John Stefero played in 17 games at catcher for the Montreal Expos in 1987, starting in 14 of them. He played for a total of 367 outs, equivalent to 13.59 9-inning games. He made 90 putouts, had 12 assists, and committed 2 errors, equivalent to .147 errors per 9-inning game. He had no double plays. He had 0 passed balls, 3 wild pitches, 17 opponent stolen bases, and 3 opponent caught stealings.
In 1987, John Stefero played in 18 games, all for the Montreal Expos, and batting in all of them. He had 56 at bats, getting 11 hits, for a .196 batting average, with 3 runs batted in. He was walked 3 times, 1 time intentionally. He struck out 17 times. He hit 0 doubles, 0 triples, and 1 home run.