It's claimed that Tosun was offered up to Newcastle last week, with Everton seeing whether the Magpies would be keen on a loan until the end of the season.
However, boss Bruce decided to snub their offer, leaving Tosun to sign for Crystal Palace instead on Friday, and made his Eagles debut a day later against Arsenal.
This term, the 28-year-old has only made five Premier League appearances for Everton, scoring one goal in the process before being sent out to Palace.
Newcastle may well be hoping to bring in a striker this month, with Joelinton and Andy Carroll needing some support, given that Dwight Gayle and Yoshinori Muto could move on.
Tosun wouldn't exactly set pulses racing though, and Newcastle snubbing him may just suggest they feel they can get somebody better if they wait a little longer.
Time will tell whether Bruce made the right decision, but it's hard to imagine Magpies fans being too disappointed with this decision based on Tosun's Premier League record to date.
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