Mar. 1—OKLAHOMA CITY — How much did it matter? Dennis Schröder was willing to bite down and take a beating to win. Early in the first quarter, Schröder took an ill-fated step on Isaiah Joe’s foot that twisted his left ankle and left him howling on the floor. But after picking himself up and retying his shoe, Schröder never even subbed out. In the third quarter, the 29-year-old German guard…