Complex sentence: In his 11 seasons with the Mariners, Moyer had a record of 145--87 with a 3.97 ERA in 324 games (323 starts) and is the franchise leader in wins, starts and innings pitched.
Split into simpler sentences: In his 11 seasons with the Mariners, Moyer had a record of 145--87 with a 3.97 ERA in 324 games (323 starts). He is the franchise leader in wins, starts and innings pitched.