Impulse and method
Alexander Albon, born on 23 March 1996, has the Sun in Aries at 3°08′, the very start of the zodiac. Aries is the sign of the first move: quick, direct, restless until something is in motion. Carlos Sainz, born on 1 September 1994, has the Sun in Virgo at 8°44′. Virgo is the sign of the analyst: detail, preparation, the habit of improving what already works. Fire and earth, impulse and method. Albon has Mercury in Pisces, Mars in Pisces and Saturn in Pisces, a soft, intuitive layer beneath his Sun in Aries. Sainz's Mercury in Virgo echoes his Sun and keeps the thinking exact.
A pair built on oppositions
The tightest link is Albon's Venus in Taurus opposite Sainz's Rahu (1.29°). Albon's Venus also meets Sainz's Lilith in conjunction (2.48°), a shared taste for something a little untamed. Then three contacts with Sainz's Mercury: Albon's Saturn in Pisces opposes Sainz's Mercury in Virgo (2.62°), Albon's Mercury in Pisces opposes it too (2.81°), and Albon's Mars in Pisces opposes it as well (3.55°). Sainz's Mercury sits across from a whole stack of Albon's planets. Albon's Mercury and Mars both trine Sainz's Pluto (2.9° and 3.64°), and Albon's Venus trines Sainz's Uranus (3.94°). None of these contacts is tighter than 1.29°, so the links are present but never sharp.
What the pairing says in symbols
In symbols this pairing is built on oppositions, and an opposition is about facing someone: each driver is a mirror for the other, with a Pisces tone against a Virgo one. Opposition tends to produce an eager curiosity, and sometimes a tug of war over details. The trines to Pluto and Uranus soften the edges and give the two a shared undercurrent of change. Williams has a long history to carry (nine Constructors' Championships between 1980 and 1997, and both Albon and Sainz appear in the list of its notable drivers), and a pair like this gives it two views of the same problem. None of this says anything about results.