Ryan Mountcastle had the highest slugging percentage by a rookie in 2021, with a slugging percentage of .487.
Interpreted as:
highest rookie slugging percentage with a minimum of 3.1 PA per team game 2021| NAME | SLG | SEASON | TM | G | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | OPS | wRC | WRAA | wOBA | wRC+ | BRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | R. Mountcastle | .487 | 2021 | 144 | 534 | 77 | 136 | 23 | 1 | 33 | 89 | 41 | 4 | 161 | 4 | 3 | 586 | 260 | 57 | 0 | 7 | 2 | 12 | .255 | .309 | .796 | 81 | 10 | .335 | 111 | 7.8 | |
| 2 |  | R. Arozarena | .459 | 2021 | 141 | 529 | 94 | 145 | 32 | 3 | 20 | 69 | 56 | 14 | 170 | 20 | 10 | 604 | 243 | 55 | 0 | 5 | 4 | 9 | .274 | .356 | .815 | 91 | 17.6 | .350 | 128 | 20.4 | |
| 3 |  | J. India | .459 | 2021 | 150 | 532 | 98 | 143 | 34 | 2 | 21 | 69 | 71 | 23 | 141 | 12 | 3 | 631 | 244 | 57 | 1 | 4 | 1 | 13 | .269 | .376 | .835 | 102 | 25.2 | .363 | 122 | 17.4 | |
| 4 |  | A. GarcÃa | .454 | 2021 | 149 | 581 | 77 | 141 | 26 | 2 | 31 | 90 | 32 | 5 | 194 | 16 | 5 | 622 | 264 | 59 | 0 | 4 | 0 | 15 | .243 | .286 | .741 | 75 | -0.1 | .314 | 97 | -2.5 | |
| 5 | | D. Carlson | .437 | 2021 | 149 | 542 | 79 | 144 | 31 | 4 | 18 | 65 | 57 | 11 | 152 | 2 | 1 | 619 | 237 | 53 | 1 | 8 | 2 | 5 | .266 | .343 | .780 | 86 | 11 | .336 | 112 | 9.3 | |
| 6 |  | J. Chisholm Jr. | .425 | 2021 | 124 | 464 | 70 | 115 | 20 | 4 | 18 | 53 | 34 | 4 | 145 | 23 | 8 | 507 | 197 | 42 | 2 | 3 | 0 | 3 | .248 | .303 | .728 | 61 | -0.8 | .312 | 94 | -4 | |
| 7 | | P. Smith | .404 | 2021 | 145 | 498 | 68 | 133 | 27 | 4 | 11 | 49 | 42 | 4 | 106 | 1 | 0 | 545 | 201 | 42 | 0 | 1 | 1 | 11 | .267 | .328 | .732 | 68 | 1.7 | .318 | 98 | -1.7 |
BAL
TBR
CIN
TEX
STL
MIA
ARIMore MLB News
Cade Cavalli follows up near no-hitter with another scoreless double-figure strikeout game for Nats
Mookie Betts homers and has RBI single in 10th as Dodgers beat Rockies 6-4 for 3-game sweep
Orioles call for more technology after Pete Alonso's near-homer is ruled foul vs. Yankees
Pecko fans 4 in MLB debut, Vázquez hits 7th homer as the Astros beat the Angels 3-2
Mariners bounce back from humiliating loss, pound Dustin May early to beat Brewers 7-5
Cade Cavalli has second double-digit strikeout game in row as Nationals beat Rangers 6-0
More Orioles Stats
Team Batting Leaders 
HR
29
Alonso
RBI
82
Alonso
AVG
.312
Alexander
Team Pitching Leaders
W
9
Young
K
132
Baz
ERA
3.52
Young
Team Rankings
HR
154
12th
R
573
16th
SO
1,012
23rd
ERA
4.23
19th
Yankees
Red Sox
Blue Jays
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
74 | 53 | .583 | ||
70 | 58 | .547 | 4.5 | |
64 | 64 | .500 | 10.5 | |
61 | 67 | .477 | 13.5 | |
58 | 70 | .453 | 16.5 | |
| NL Central | W | L | PCT | GB |
78 | 49 | .614 | ||
74 | 54 | .578 | 4.5 | |
65 | 63 | .508 | 13.5 | |
63 | 66 | .488 | 16.0 | |
61 | 66 | .480 | 17.0 | |
| NL West | W | L | PCT | GB |
77 | 51 | .602 | ||
68 | 60 | .531 | 9.0 | |
67 | 61 | .523 | 10.0 | |
52 | 74 | .413 | 24.0 | |
50 | 77 | .394 | 26.5 |
Braves
Phillies
Nationals
Mets
Brewers
Cubs
Pirates
Dodgers
Padres
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
76 | 50 | .603 | ||
71 | 55 | .563 | 5.0 | |
68 | 59 | .535 | 8.5 | |
62 | 66 | .484 | 15.0 | |
61 | 66 | .480 | 15.5 | |
| AL Central | W | L | PCT | GB |
66 | 60 | .524 | ||
63 | 65 | .492 | 4.0 | |
61 | 66 | .480 | 5.5 | |
61 | 66 | .480 | 5.5 | |
54 | 74 | .422 | 13.0 | |
| AL West | W | L | PCT | GB |
64 | 63 | .504 | ||
62 | 65 | .488 | 2.0 | |
60 | 67 | .472 | 4.0 | |
50 | 77 | .394 | 14.0 | |
49 | 78 | .386 | 15.0 |
White Sox
Twins
Guardians
Tigers
Royals
Astros
Mariners
Angels
Athletics