4 teams were tied for the most games with 15+ runs in 2015, with 3 games. The first three are the Toronto Blue Jays, the New York Yankees and the Washington Nationals.
Interpreted as:
MLB teams with the most games with 15 or more runs 2015| TEAM | G | R | SEASON | W% | W | L | AB | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Blue Jays | 3 | 45 | 2015 | 1.000 | 3 | 0 | 127 | 56 | 11 | 1 | 9 | 41 | 21 | 0 | 19 | 2 | 1 | 152 | 96 | 21 | 1 | 3 | 1 | 3 | .441 | .510 | .756 | 1.266 |
| 2 |  | Yankees | 3 | 56 | 2015 | 1.000 | 3 | 0 | 132 | 56 | 13 | 1 | 8 | 55 | 27 | 4 | 24 | 0 | 0 | 165 | 95 | 22 | 0 | 2 | 1 | 4 | .424 | .527 | .720 | 1.247 |
| 3 |  | Nationals | 3 | 46 | 2015 | 1.000 | 3 | 0 | 123 | 56 | 13 | 0 | 6 | 43 | 23 | 2 | 17 | 0 | 0 | 155 | 87 | 19 | 0 | 7 | 1 | 3 | .455 | .523 | .707 | 1.230 |
| 4 |  | Orioles | 3 | 55 | 2015 | 1.000 | 3 | 0 | 131 | 63 | 13 | 1 | 13 | 52 | 15 | 1 | 20 | 0 | 0 | 149 | 117 | 27 | 0 | 2 | 0 | 3 | .481 | .530 | .893 | 1.423 |
| 5 |  | Astros | 2 | 36 | 2015 | 1.000 | 2 | 0 | 89 | 34 | 8 | 2 | 7 | 32 | 16 | 0 | 12 | 1 | 0 | 108 | 67 | 17 | 1 | 2 | 1 | 0 | .382 | .467 | .753 | 1.220 |
| 6 |  | Red Sox | 2 | 37 | 2015 | 1.000 | 2 | 0 | 92 | 47 | 13 | 2 | 7 | 37 | 8 | 1 | 7 | 1 | 0 | 104 | 85 | 22 | 0 | 3 | 0 | 1 | .511 | .538 | .924 | 1.462 |
| 7 |  | Mets | 2 | 31 | 2015 | 1.000 | 2 | 0 | 91 | 41 | 12 | 0 | 12 | 30 | 7 | 2 | 16 | 0 | 0 | 100 | 89 | 24 | 0 | 0 | 1 | 1 | .451 | .500 | .978 | 1.478 |
| 8 |  | Athletics | 2 | 33 | 2015 | 1.000 | 2 | 0 | 86 | 39 | 9 | 2 | 3 | 32 | 10 | 3 | 12 | 0 | 1 | 101 | 61 | 14 | 0 | 2 | 0 | 2 | .453 | .515 | .709 | 1.224 |
| 9 |  | Rangers | 2 | 30 | 2015 | 1.000 | 2 | 0 | 81 | 34 | 3 | 1 | 5 | 28 | 9 | 3 | 15 | 0 | 0 | 95 | 54 | 9 | 0 | 2 | 0 | 2 | .420 | .484 | .667 | 1.151 |
| 10 |  | Reds | 2 | 31 | 2015 | 1.000 | 2 | 0 | 84 | 32 | 3 | 0 | 8 | 31 | 12 | 3 | 14 | 6 | 0 | 101 | 59 | 11 | 0 | 2 | 0 | 0 | .381 | .465 | .702 | 1.168 |
| 11 |  | Royals | 1 | 15 | 2015 | 1.000 | 1 | 0 | 41 | 20 | 2 | 0 | 2 | 15 | 5 | 0 | 3 | 0 | 0 | 47 | 28 | 4 | 0 | 1 | 0 | 1 | .488 | .532 | .683 | 1.215 |
| 12 |  | Twins | 1 | 15 | 2015 | 1.000 | 1 | 0 | 44 | 18 | 2 | 0 | 2 | 14 | 4 | 0 | 8 | 0 | 0 | 48 | 26 | 4 | 0 | 0 | 0 | 1 | .409 | .458 | .591 | 1.049 |
| 13 |  | Tigers | 1 | 15 | 2015 | 1.000 | 1 | 0 | 46 | 21 | 6 | 1 | 5 | 15 | 3 | 1 | 11 | 2 | 0 | 52 | 44 | 12 | 1 | 1 | 0 | 0 | .457 | .490 | .957 | 1.447 |
| 14 |  | Indians | 1 | 17 | 2015 | 1.000 | 1 | 0 | 40 | 19 | 4 | 1 | 2 | 17 | 8 | 0 | 4 | 1 | 0 | 51 | 31 | 7 | 1 | 2 | 0 | 0 | .475 | .540 | .775 | 1.315 |
| 15 |  | Rockies | 1 | 17 | 2015 | 1.000 | 1 | 0 | 38 | 15 | 2 | 3 | 5 | 17 | 6 | 0 | 6 | 0 | 0 | 46 | 38 | 10 | 1 | 1 | 0 | 0 | .395 | .467 | 1.000 | 1.467 |
| 16 |  | Giants | 1 | 15 | 2015 | 1.000 | 1 | 0 | 45 | 22 | 5 | 1 | 2 | 14 | 4 | 0 | 10 | 0 | 0 | 49 | 35 | 8 | 0 | 0 | 0 | 1 | .489 | .531 | .778 | 1.308 |
| 17 |  | Cubs | 1 | 17 | 2015 | 1.000 | 1 | 0 | 43 | 18 | 2 | 1 | 4 | 16 | 5 | 1 | 6 | 0 | 0 | 49 | 34 | 7 | 0 | 0 | 0 | 2 | .419 | .490 | .791 | 1.280 |
StatMuse has team, game-level data for runs going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Yankees 
Rays 
Blue Jays 
Red Sox 
Orioles 
CLE 
Tigers 
Astros 
Mariners 
Phillies 
Mets 
Cubs 
Brewers 
Dodgers 
Giants 
MIA 
SDP 
TEX 
WSH 
PIT 
CIN 
ATL 
AZ 
CWS 
