Michigan State basketball's next roster may not be set, after all. The Spartans have added Charlotte transfer Anton Bonke to help solidify MSU's frontcourt. Bonke is coming to East Lansing to help replace the void left behind by Carson Cooper and Jaxon Kohler . The only thing is that Kohler's and Cooper's collegiate careers might not necessarily be over yet. Michigan State forward Jaxon Kohler (0) reacts after getting fouled by Connecticut guard Solo Ball (1) during the second half of the 2026 NCAA Men's Basketball East Regional game against UConn at Capital One Arena in Washington DC on Friday, March 27, 2026. Michigan State lost the game 67-63. | Eric Seals / USA TODAY NETWORK via Imagn Images Something the NCAA and President Charlie Baker seem to be trying to implement is the "five-in-five" rule. Even with all the dramatic shifts in recent years to college sports, from NIL to the transfer portal, to conference realignment, this one would be right up there.…