Unpacking why Buckeyes are expanding rotation down the stretchby:Andy Backstrom•02/22/24•andybackstromRead In AppOhio State freshman guard Taison Chatman looks to pass during a 73-69 win over No. 2 Purdue on Feb. 18. (Adam Cairns/Columbus Dispatch / USA TODAY NETWORK)Ohio State interim head coach Jake Diebler is expanding his rotation down the stretch of the season to adapt to a key tweak he made.