Answer: mcgwire

AnswerCrossword Clue
MCGWIRE'98 hitter of 70 home runs
MCGWIRE1987 A.L. Rookie of the Year
MCGWIRERecord breaker of 1998
MCGWIRECardinal making many round trips
MCGWIREFigure in Canseco's steroids tell-all "Juiced"
MCGWIREStar slugger Mark
MCGWIRESlugger of 70 homers in one season
MCGWIRECardinal number 25, once