Distacco dalla Base
Also known as: lead primario, lead, walking lead
Un lead off base è la distanza che un corridore prende dalla base prima del lancio — massimizzare la distanza del lead riduce la distanza verso la base successiva, gestendo però il rischio di pickoff.
Un lead primario viene preso una volta che il lanciatore è in set position e prima del lancio. I lead primari standard sono 3–4 passi laterali, circa 9–12 piedi dalla base. Il lead è un compromesso tra spingersi il più lontano possibile ed essere in grado di rientrare in sicurezza su un lancio di pickoff. I corridori con un'eccellente reattività del primo passo o buone letture del lanciatore possono prendere lead più lunghi. In prima base, l'angolo del lead conta — prenderlo in territorio foul dà un angolo di corsa migliore verso la seconda. La qualità del lead primario condiziona tutto ciò che segue.
Start with a conservative 8-9 foot primary lead and focus on reading the pitcher's first movement before expanding. This means developing a reliable return mechanism before extending the lead is more valuable than maximum distance from a position you cannot safely hold.
Chart the specific pickoff move time of each pitcher in your scouting data and calibrate your maximum safe lead distance before the game starts rather than testing it reactively during at-bats. This means a pre-calculated maximum lead allows you to take the ideal distance confidently rather than incrementally guessing.
Example
Ha allungato il suo lead primario fino a 12 piedi da prima base, leggendo l'alta gamba del mancino come un via libera per un tentativo di furto.
How it shows up on video
On video, lead quality is evaluated by measuring the distance from the lead foot to the bag and the body's weight distribution at the end of the lead shuffle. Common errors include a weight-backward lean at the end of the lead (putting the runner in a return posture rather than a neutral posture that can go either way), a lead that drifts toward second base during the lead shuffle rather than remaining parallel to the baseline (telegraphing steal intent to the pitcher), and feet that are too close together at the end of the lead (reducing the crossover step explosiveness available for the secondary lead or steal break).
Common mistakes
- Leaning toward second base at the end of the primary lead. This telegraphs steal intent to the pitcher and first baseman and invites an immediate pickoff attempt
- Taking the same primary lead distance against all pitchers regardless of pickoff tendency or arm strength. This means a pitcher with a quick move and fast pickoff arm requires a more conservative lead than a pitcher with a slow move and high leg kick
- Crossing the feet during the lead shuffle rather than using a push-and-drag shuffle that keeps the feet parallel — crossed feet sharply reduce return-to-bag speed
- Establishing the primary lead in fair territory directly toward second base rather than in foul territory. This gives up the directional return advantage that foul-territory leads provide on difficult pickoff throws
In SwingVantage Motion Lab
SwingVantage measures lead distance, lead angle relative to the baseline, and body weight distribution at the end of the primary lead. This provides a comprehensive lead profile that can be compared against contextual benchmarks for different pitcher types. The system identifies leads that are either too conservative for the pitcher's pickoff tendency or too aggressive relative to the runner's measured return quickness.
Related terms
- Distacco SecondarioIl secondary lead è il movimento che un corridore compie mentre il lancio attraversa il piatto — un passo o uno spostamento in cammino che aggiunge slancio verso la base successiva nel momento in cui avviene il contatto.
- Jump (Furto di Base)Il jump in un tentativo di furto di base è la rapidità e decisione con cui un corridore parte verso la base successiva al primo movimento del lanciatore — il singolo indicatore più predittivo del successo nel furto.
- Lettura nella Corsa delle BasiUn baserunning read è la decisione frazione di secondo che un corridore prende in base a cosa fa la palla dopo il contatto — se avanzare, restare o tornare indietro.
Related guides & benchmarks
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