[DC 86]

Vlad jr. is leading the league in BA, tied for the league lead in HR, and fifth in the league in RBIs.  Were it not for Ohtani, he’d be a shoe in for MVP.

Tatos Jr. is an exciting player, but he’s not at the level of Vlad yet.  They are both 22 and have been in the league three years.  Both will be exciting for years to come.

BC

Actually Tatis has been far above Vlad's level overall by objective measures.

Even if we restrict the argument to hitting as you did, Vlad's wOBA have been .329, .338 and .425 (.374 overall) while Tatis's wOBA have been .398, .392 and .410 (.402 overall). If you prefer OPS+ Tatis has recorded 154, 156, 173 (162 overall) while Vlad has recorded 105, 115, 174 (137 overall).

Consider that wOBA and OPS+ considers context such as park effects which is why Tatis's (home park: Petco) advanced metrics are relatively stronger than his raw numbers, although his raw numbers are superior to Vlad's as well (Tatis has a higher career batting average, much higher career slugging average - 86 points higher despite his power killing home park - and more career home runs as well).

Indeed Vlad is ahead on raw counting stats this year since Tatis was injured and has played 32 fewer games (about a quarter of a season less). But Vlad is essentially a DH playing the field and a lumbering baserunner while Tatis plays the game's most important defensive position and is an excellent baserunner (25 SB in 28 attempts this year), which is reflected in each player's WAR:

By fWAR Tatis has recorded 3.6, 2.9 and 5.5 (12.1 total) while Vlad is at 0.4, 0.2, 6.4 (7.0 total)
By bWAR Tatis has recorded 4.2, 2.8 and 6.2 (13.1 total) while Vlad is at 2.1, 0.6 and 6.0 (8.7 total)

Of course it's valid to opine about each player's future trajectory, but to date there's no doubt that it's Tatis who has perfomed at a much higher level overall.

Even if we restrict ourselves to this season they have arguably been of similar value (Vlad higher in fWAR, Tatis higher in bWAR), but since WAR is a counting stat it's reasonable to surmise that if Tatis hadn't been injured that he would be far ahead in both versions of WAR. Since he's played 142 game you can argue that Vlad has been more valuable, but he's still not better. And Tatis performed at a much higher level in 2019-2020, only this year has Vlad raised his game to a point that you can compare the two.

[DC 86]

Vlad jr. is leading the league in BA, tied for the league lead in HR, and fifth in the league in RBIs.  Were it not for Ohtani, he’d be a shoe in for MVP.

Tatos Jr. is an exciting player, but he’s not at the level of Vlad yet.  They are both 22 and have been in the league three years.  Both will be exciting for years to come.

BC

Actually Tatis has been far above Vlad's level overall by objective measures.

Even if we restrict the argument to hitting as you did, Vlad's wOBA have been .329, .338 and .425 (.374 overall) while Tatis's wOBA have been .398, .392 and .410 (.402 overall). If you prefer OPS+ Tatis has recorded 154, 156, 173 (162 overall) while Vlad has recorded 105, 115, 174 (137 overall).

Consider that wOBA and OPS+ considers context such as park effects which is why Tatis's (home park: Petco) advanced metrics are relatively stronger than his raw numbers, although his raw numbers are superior to Vlad's as well (Tatis has a higher career batting average, much higher career slugging average - 86 points higher despite his power killing home park - and more career home runs as well).

Indeed Vlad is ahead on raw counting stats this year since Tatis was injured and has played 32 fewer games (about a quarter of a season less). But Vlad is essentially a DH playing the field and a lumbering baserunner while Tatis plays the game's most important defensive position and is an excellent baserunner (25 SB in 28 attempts this year), which is reflected in each player's WAR:

By fWAR Tatis has recorded 3.6, 2.9 and 5.5 (12.1 total) while Vlad is at 0.4, 0.2, 6.4 (7.0 total)
By bWAR Tatis has recorded 4.2, 2.8 and 6.2 (13.1 total) while Vlad is at 2.1, 0.6 and 6.0 (8.7 total)

Of course it's valid to opine about each player's future trajectory, but to date there's no doubt that it's Tatis who has perfomed at a much higher level overall.

Even if we restrict ourselves to this season they have arguably been of similar value (Vlad higher in fWAR, Tatis higher in bWAR), but since WAR is a counting stat it's reasonable to surmise that if Tatis hadn't been injured that he would be far ahead in both versions of WAR. Since he's played 142 game you can argue that Vlad has been more valuable, but he's still not better. And Tatis performed at a much higher level in 2019-2020, only this year has Vlad raised his game to a point that you can compare the two.