Rankin scores twice for Toledo; Game 3 Tuesday in Kalamazoo.
Toledo scores 4 straight goals, slips past Kalamazoo in playoff opener.
Three goals in opening period help lift Toledo over Kalamazoo; Game 2 Saturday.
Toledo, Kalamazoo no strangers on ice.
Won league-high 34 games for Walleye.
Lead league with 34 wins, posted 2.28 goals-against average.
Walleye enter the Kelly Cup playoffs.
Walleye will begin playoffs with 7-game series vs. Kalamazoo.
He has led Toledo to a record 51 wins.
St. Paul, Minn. native scored 21 goals with 17 assists for a career-best 38 points in regular season.