hiː ˈɔːlsoʊ sˈɜːvd æz ðə klˈʌbz ɪmˈɜːdʒənsi mˈænɪdʒɚ fɹʌm sɛptˈɛmbɚ twˈɛnti fˈaɪv twˈɛnti nˈaɪn, , ˈæftɚ hˈɑːdʒᵻz sˈʌfɚd ɐ mˈaɪld hˈɑːɹt ɐtˈæk ænd wɛnt ˌɔn mˈɛdɪkəl lˈiːv fɚðə fˈaɪnəl fˈoːɹ ɡˈeɪmz ʌvðə sˈiːzən; ˌʌndɚ wˈɔːkɚ, ðə mˈɛts wɜː tˈuː tˈuː.
He also served as the club's emergency manager from September 25–29, , after Hodges suffered a mild heart attack and went on medical leave for the final four games of the season; under Walker, the Mets were 2–2.