They have a spreadsheet at that web site that lists 144 players in the transfer portal, but I do not see a column that shows 'years of eligibility remaining'.
But contending that there was only one player transferring for their final year is just silly. Bilka and Barnes are both transfers in their final year; Markowski is, King is. Reese Hunt happens to be at the top of the spreadsheet, and she's in her final year. One of the two (and maybe both?) Badgers who entered the portal, Grace Shirley, is playing at Providence in her final year.
These guys showed 150+ players who entered the portal during/after the 2022-23 season, they show 89 of them as having done so with a single year of eligibility remaining.
https://docs.google.com/spreadsheets...gid=1606114829
The questions will be for the coming year, will there be as many as 144 or 150 entering the portal, and what sort of 'breakdown' of years of eligibility remaining will be. I expect the number will be smaller, and likely much smaller.
But IT REMAINS TO BE SEEN.
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Adding, it is also possible that the number of 'one year remaining' COVID year players entering the portal also drove the number of 'more than one year' players higher, and as the one falls, so will the other. Ohio State had five (?) players transfer OUT last year; did they do so because they saw playing time and scholarship diminish because of the players transferring in? Fewer players transferring in could well translate into fewer players transferring out, driving the total 'population' available in the portal lower.