December 4, 1978

Aurelio López and 3 others: Detroit TigersSt. Louis Cardinals

Detroit Tigers came out ahead by 5.6 WAR, most of it from Aurelio López.

Detroit Tigers
franchise trade score
93far better
Franchise trade score93
Rest of season50WAR in0.0WAR out0.0Net0.0
Short term90WAR in+1.3WAR out-0.8Net+2.2
Control window94WAR in+4.2WAR out-1.4Net+5.6
Full tenure93WAR in+4.4WAR out-1.4Net+5.8

DET won the World Series in 1984

St. Louis Cardinals
franchise trade score
7far worse
Franchise trade score7
Rest of season50WAR in0.0WAR out0.0Net0.0
Short term10WAR in-0.8WAR out+1.3Net-2.2
Control window6WAR in-1.4WAR out+4.2Net-5.6
Full tenure7WAR in-1.4WAR out+4.4Net-5.8

Detroit Tigers received

Jerry MoralesRF · 29 · FA eligible · 1 yr control-2.4WAR (control) · 1 yr2
Rest of season45WAR0.0wRC+—PA0
Short term2WAR-2.4wRC+63PA482
Control window2WAR-2.4wRC+63PA482
Full tenure2WAR-2.4wRC+63PA482

scored without value

On the day: -0.3 WAR over the prior three seasons, wRC+ 103.

Aurelio LópezP · 30 · pre-arb · 5 yrs control+6.6WAR (control) · 5 yr90
Rest of season45WAR0.0FIP−—IP0
Short term93WAR+3.7FIP−82IP127
Control window90WAR+6.6FIP−94IP489
Full tenure88WAR+6.8FIP−99IP713

scored without value

St. Louis Cardinals received

Bob SykesP · 24 · pre-arb · 5 yrs control-1.4WAR (control) · 3 yr4
Rest of season45WAR0.0FIP−—IP0
Short term4WAR-0.8FIP−148IP67
Control window4WAR-1.4FIP−132IP230
Full tenure4WAR-1.4FIP−132IP230

scored without value

On the day: +3.0 WAR over the prior three seasons, FIP− 108.

John Murphy—WAR (control)—

Not rated — never reached the majors.

What this became

  1. Jerry Morales → NYMRichie Hebner, DET ⇄ NYM, 1979-0.4 WAR
  2. Bob Sykes → NYYWillie McGee, NYY ⇄ STL, 19810.0 WAR
  3. Willie McGee → OAKFélix José, OAK ⇄ STL, 1990+0.7 WAR
  4. Félix José → KCRGregg Jefferies, KCR ⇄ STL, 1993-0.7 WAR

Also that day

Gary Woods, HOU ⇄ TOR, 1978Houston Astros ⇄ Toronto Blue JaysDan Ford, LAA ⇄ MIN, 1978Los Angeles Angels ⇄ Minnesota Twins

The web around this trade

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