No, not in most jurisdictions. Yalla-Shoot does not hold broadcasting rights for the matches it streams. The legal owners (beIN Sports, Sky Sports, NBC, etc.) pay billions of dollars for exclusive rights. Streaming from Yalla-Shoot is technically piracy. While end-users (viewers) are rarely prosecuted, the act of viewing pirated content is a violation of the Digital Millennium Copyright Act (DMCA) in the US and similar laws in the EU.
Using unofficial streaming sites carries risks: yalla-shoot
: More recently, the platform has reportedly attempted to obtain broadcasting rights and licenses to operate within legal boundaries. No, not in most jurisdictions