He hit a game winning double and his belt had a white Magen David painted on it.
According to wikipedia Bader identifies as Jewish.
It sounds like he may have made that decision so he was eligible to play for Israel in the 2023 world baseball classic, not because he’s religiously Jewish.
During spring training he was wearing a necklace for the hostages.
Look he may not be halachically or religiously Jewish but right now we need all the positive support in America we can get.