Hi. Theres more ways to do that. Heres a couple of hints:
Regarding two UVWs:
1) Apply two UVWs with different map channels. Typically this could be channel 1 (default) and channel 2. Then apply a material where the different maps are given different map channels accordingly, depending on what UVW should be used by each map.
2) In many cases you can achieve the same result as when using two UVWs with only one UVW, by setting up the bitmap parameters different (tile factor, rotation etc.)
Regarding material with two diffuse maps:
There are several ways to make a material with two diffuse maps. On map-level this can done with for example a "mix" map, and on material level you can use for example "blend", "composite" or a layer material. Typically you'll need a mask to define the blend/shift.
What way to choose depends on the specific case and/or your knowledge/skills/preferences. In the football pitch example mentioned, I would personally not use two UVWs, but that's your choise 🙂
Hope it helps
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