The Five Tools Explained: Hit, Power, Run, Arm and Field
What scouts mean by hit, power, run, arm and field, how each tool is judged on the 20-80 scale, why true five-tool players are rare, and how tools differ from results, with career examples from the historical record.
When a scout calls a teenager a five-tool player, he is saying that the young man might one day be good at everything a position player is asked to do: hit for average, hit for power, run, throw and field. The five words are the standard vocabulary of player evaluation, and they appear in every scouting report, draft guide and prospect list. They are also widely misunderstood. A tool is a physical or technical ability, not a result, and a player can have all five without being a good ballplayer, or be an excellent one with only two.
This article defines each tool, explains how scouts grade them, and shows why a complete five-tool career is so rare that the list of players who fit it is short. It also covers the differences between tools and skills, why pitchers are graded differently, and how the same words get used in fantasy baseball. Career figures come from the historical record through the 2025 season.
The five tools in one table
| Tool | What it means | What it is not |
|---|---|---|
| Hit | The ability to make consistent contact and hit for average | Not the same as plate discipline or power |
| Power | The ability to drive the ball over the fence or into the gaps | Not home-run totals, which depend on approach and park |
| Run | Foot speed, in a straight line and on the bases | Not stolen-base totals, which depend on opportunity |
| Arm | Throwing strength and accuracy | Not just velocity, since accuracy and quickness matter |
| Field | Range, hands, footwork and instincts on defense | Not fielding percentage, which ignores plays never reached |
The list is a convention. Nothing in the sport requires there to be five, and some evaluators add makeup, meaning mental toughness and work habits, or add a separate tool for plate discipline. But the five-word version has lasted because each tool is an observable physical trait, and a scout can judge it in a short look at a player who has no record to read.
Hit
The hit tool is the ability to put the bat on the ball in a way that produces hits. Scouts look at bat speed, the path of the swing, hand-eye coordination, the ability to recognize pitches and the ability to adjust. A good hit tool is the quality most evaluators trust most, because contact skill is hard to teach and tends to hold up as a player moves up levels.
The hit tool is a forecast of future batting average, not a measure of a player's current statistics. A prospect with a .350 average in rookie ball and a mediocre swing can have a lower hit grade than a player hitting .280 with a smooth, repeatable swing. Some scouting systems treat plate discipline as part of hitting; others separate it. A reader should check how a report is built before comparing two grades.
Power
Power is the ability to hit for extra bases, and it comes in two forms. Raw power is the maximum distance and force a player can produce, usually seen in batting practice or from the exit speed of the hardest-hit balls. Game power is how much of that shows up in a real game against real pitchers. A player with huge raw power who cannot make contact has high raw power and low game power.
The distinction matters because home runs need both the strength and the swing. A hitter with 60-grade raw power and a 40-grade hit tool can strike out often and hit few homers, while a hitter with 50 raw power and a 60 hit tool can hit more. Modern tracking systems measure the speed at which a ball leaves the bat, which has made raw power easier to quantify than any other tool. The historical record has no such data and shows only results, so the counting statistics it carries, home runs and doubles, are the outcomes of power and not the tool itself.
Run
The run tool is foot speed. Scouts time players, most commonly in the 60-yard dash at showcases and from home plate to first base during games, and watch how a player accelerates, how he takes turns and whether his speed holds up in game conditions. Speed comes in two forms: the straight-line burst that beats out an infield hit and the base-running skill that steals a base or scores from first on a double.
Stolen bases are a poor stand-in for the tool. A fast runner on a team that does not run steals few; a slow runner with good instincts can steal a lot. The historical record shows career stolen bases, but it cannot show a player's actual speed. A better sign of the tool is the count of triples, which the database does carry, and infield hits, which it does not.
Arm
The arm tool measures throwing. For an outfielder it is the ability to throw a runner out at the plate or a base from the warning track; for an infielder it is the strength to make the long throw from the hole at shortstop or third base, and the accuracy to put it on target; for a catcher it is the speed at which he can get the ball to second base on a steal attempt, which is usually measured as a time from the pitch reaching the mitt to the ball reaching the base.
Velocity is only half of it. A strong arm with no accuracy is a liability, and a modest arm that gets the ball away quickly and on line can be more useful at second base or shortstop. Scouts therefore grade arm strength and arm accuracy separately for infielders and sometimes for outfielders. Arm strength is a good example of a tool that does not show in normal statistics; assists and runners thrown out are partial outcomes that depend on how often runners test the arm.
Field
The field tool, sometimes called the glove, covers range, hands, footwork, the first step and instincts: reading the ball off the bat, taking a route in the outfield, positioning against a hitter. It is harder to measure than the others because it is position-specific. A shortstop is graded on a different set of skills than a first baseman, and a center fielder on different ones than a left fielder.
The traditional statistics are crude here. Fielding percentage counts errors, but a fielder with great range reaches balls others cannot and may make more errors as a result. Newer defensive metrics try to measure how many plays a fielder makes compared with an average player at his position, and the Gold Glove Award, which the historical record lists, is a vote and reflects reputation as well as skill. For scouts, the field tool is graded mainly by eye.
How scouts grade a tool: the 20-80 scale
Scouts grade each tool on a 20-to-80 scale. Fifty is average for a major leaguer, 60 is above average, 70 is well above average, and 80 is the best in the game; 40 and 30 are below average and poor. A report usually gives two grades for each tool: the present grade, what the player can do now, and the future grade, what the scout thinks he will be able to do at maturity. A line such as 45/60 for power means an average-minus tool now and a plus tool later. The article on the 20-80 scale explains the scale in detail, and the prospect rankings explainer shows how grades feed into lists.
The scale is useful because it turns judgment into a common language. It is also a source of error. Two scouts may disagree by ten points on the same tool, a grade of 60 in one organization may be a 55 in another, and a 16-year-old international prospect's future grade is a guess made years before the player stops growing. Scouting is a probability business.
Why a true five-tool player is rare
In practice a five-tool label means a player rated well above average in all five, and the tools tend to pull against each other. Power hitters often strike out more, which lowers the hit tool. The strength behind power often comes with a larger frame, while the quick first step of a center fielder tends to come with a smaller one. Most players therefore have a few real strengths and some weaknesses.
The career statistics of the players most often called complete show the pattern. The numbers below are from the historical record.
| Player | Hits | Home runs | Stolen bases | Average | Gold Gloves |
|---|---|---|---|---|---|
| Willie Mays | 3,293 | 660 | 339 | .301 | 12 |
| Roberto Clemente | 3,000 | 240 | 83 | .317 | 12 |
| Barry Bonds | 2,935 | 762 | 514 | .298 | 8 |
| Ichiro Suzuki | 3,089 | 117 | 509 | .311 | 10 |
Mays is the model: he hit for average, hit 660 home runs, stole 339 bases and won a Gold Glove in each of the 12 years the award existed for him, from 1957 through 1968. Clemente had a .317 average, 3,000 hits and 12 Gold Gloves, and his throwing arm was a central part of his reputation, though the database cannot show it. Bonds combined 762 home runs with 514 stolen bases and 8 Gold Gloves, a rare pairing of power and speed. Ichiro had less power in home-run terms, at 117, but 3,089 hits, 509 steals and 10 Gold Gloves make him as complete a player as the numbers can describe, and the comparison shows that being great does not require all five.
The 30-30 and 40-40 clubs
One way the statistics capture a mix of power and speed is the 30-30 season: at least 30 home runs and 30 stolen bases in the same year. The historical record shows 79 such player-seasons through 2025. Barry Bonds and his father Bobby Bonds each did it five times, which is the most. In 2025 seven players reached it: Juan Soto, Jose Ramirez, Pete Crow-Armstrong, Julio Rodriguez, Corbin Carroll, Jazz Chisholm and Francisco Lindor.
The 40-40 season is far rarer. The database lists six: Jose Canseco in 1988 with 42 home runs and 40 steals, Barry Bonds in 1996 with 42 and 40, Alex Rodriguez in 1998 with 42 and 46, Alfonso Soriano in 2006 with 46 and 41, Ronald Acuna in 2023 with 41 and 73, and Shohei Ohtani in 2024 with 54 and 59. Those lines are what an extreme combination of power and run looks like in the results. The two tools they cover, power and run, are only half of the five.
Tools are not skills
A tool is raw material, and a skill is what a player does with it. A hitter with elite bat speed and no ability to recognize a curveball has a power tool and a flawed approach. A fast runner who gets bad jumps has the run tool without the baserunning skill. Scouts therefore often talk about tools for young players and about skills and performance for older ones, because as a player rises through the minors, results gradually replace projection.
This is why the best-known label in the scouting world, "tools guy," is double-edged. It describes a player whose physical ability exceeds his baseball ability, and it often precedes a bust. The article on why prospects bust covers the odds of reaching the majors, and tools without performance are one of the commonest reasons for failing. An amateur with three plus tools and no feel for the game can turn out to be less valuable than one with two modest tools and excellent instincts.
Pitchers have tools of their own
Pitchers are not graded on the five hitting and fielding tools, though they field and hit in a limited way. Scouts grade the fastball (velocity and movement), each secondary pitch such as the curveball, slider and changeup, and command, which is the ability to throw strikes where intended, along with control, the ability to throw strikes at all. A pitcher might be graded 70 on the fastball, 55 on the slider, 45 on the changeup and 50 on command, and those four numbers say more about his future than any single result.
The same logic applies: a tool is a forecast, and an amateur pitcher's tools are judged from his arm action, body and velocity long before he faces professional hitters. The workloads of young pitchers are managed carefully in the minors, as the innings-limits article explains from the fantasy side.
Where tools matter most
Tools carry the most weight when there is little else to go on. A 16-year-old signing in the international market has played few games against good competition, so evaluators lean on tools, projection and body type; the international signing article explains the bonus pools that govern those deals. High school draft picks are judged similarly. College players and older professionals have statistics, which count for more as they accumulate.
In fantasy baseball, the five tools map unevenly onto the scoring. A standard roto league counts home runs, runs batted in, runs, stolen bases and batting average, so hit, power and run map directly onto categories, but arm and field do not count at all. A defensive wizard with a modest bat is valuable to a real team and nearly worthless in a fantasy league. That mismatch is one reason fantasy rankings and prospect rankings often disagree.
Common questions
What are the five tools in baseball? Hit (contact and average), power, run (speed), arm and field (defense).
Who was the greatest five-tool player? Willie Mays is the usual answer, with 660 home runs, 339 stolen bases, a .301 average and 12 Gold Gloves. Others have strong cases, and the choice depends on how the tools are weighted.
Is there a scale for grading them? Yes, the 20-to-80 scale, on which 50 is average and 80 is the best in the game.
Can a player be elite with fewer than five? Yes. Many Hall of Famers had two or three plus tools. Ichiro had no great power but 3,089 hits and 509 steals.
Are tools the same as stats? No. Tools are abilities judged by scouts, and stats are results. The first predicts the second imperfectly.
Where to go next
For the mechanics of evaluating young players, read how minor leaguers are paid and how scouts grade prospects. The minor leagues page tracks the prospects, and the draft and prospects topic page collects the latest coverage. To follow a player's results, learn how to read a box score.