Crossword clues for McGwire's rival in 1998:SOSA1998 McGwire rivalSOSAMcGwire rival, onceSOSAMcGwire rivalSAMMYSOSAMark McGwire rivalSOSACubs slugger who rivaled McGwireSOSASlugger who rivaled McGwireSOSAMcGwire's rival in 1998SOSAMcGwire's 1999 rivalSOSAMcGwire's 1998 rivalSOSAMcGwire's 1998 home run rivalSOSAMcGwire's onetime home-run rivalSOSAMcGwire's friendly home-run rival